Deputy Keeper's Reports - Co Donegal References
Held at PRONI
Submitted by Stanley Nesbitt
C
A-B, C, D, E-F, G-H, I-L, M, N-Q, R-S, T-V, W-Y BACK
| Surname | Location | Document | Date | Reference |
| CABINET MAKERS | Belfast | Min. Books | 1788 - 1812 | D 1050/15 |
| CADOGAN Emily Lady | Marr settlement | c1893 | T 2530 | |
| CADOGAN Emily Lady | Lurgan / Arm | ms R H W. Brownlow | c1893 | D 2451add |
| CAHOON James | Belfast | Letter dishon. acct. | c1846 | T 1723 |
| CAIRNS David | Londonderry | Post Siege Fin. Sett | c1691 | T 2250 |
| CAIRNS family | Killyfaddy / Tyr | Title deeds etc | 1738 - c1890 | D 2559 |
| CAIRNS Hugh McCalmont MP | Belfast | MP / photograph | c1870 | D 3825 |
| CAIRNS William | Killyfaddy / Tyr | Copy Will | c1739 | T 2655 |
| CALDWELL Bess Lady | Castlecaldwell / Fer | Correspondence | 1766 - 1767 | D 1634 |
| CALDWELL Charles | Castlederg / Tyr | Gravestone Inscript | c1710 | T 1320 |
| CALDWELL family | Ballymagorry / Tyr | Gen. notes | c1890 | T 1320 |
| CALDWELL family | Castle Caldwell / Fer | Acct. books | 1816 - 1829 | D 3449 |
| CALDWELL family | Magheranageeragh /Tyr | Pedigree | 1678 - c1950 | D 3000/7 |
| CALDWELL family | Maghermageeragh /Tyr | Title deeds etc. | 1678 - 1961 | D 2281 |
| CALDWELL John Rev. | Cremorne Pres / Arm | Deposing of | c1861 | T 3706 |
| CALDWELL John Snr. | Harmoney Hill,B'money | Alleged United Irish | c1798 | T 3541 |
| CALDWELL Richard | Harmony Hill,B'money | Trial for treason | c1798 | T 3058 |
| CALEDON Estate | Caledon / Tyr | I. L. C. papers | c1920 | D 2607 |
| CALEDON family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| CALLAGHAN Daniel | Tinfahan / Ant | Apprent. Indent. | c1870 | D 868 |
| CALLAGHAN John | Markethill / Arm | Title deeds, leases | 1825 - 1858 | D 2784/17 |
| CALLAGHAN John | Markethill / Arm | Copy Will | c1858 | D 2784/17 |
| CALLAGHAN John | Markethill / Arm | Probate | c1883 | D 2784/17 |
| CALLWELL James | Co. Antrim | Letter | c1847 | T 3614 |
| CALVERT family | Drumnacanvy / Arm | Misc. papers | 1839 - 1892 | D 3250 |
| CALVERT family | Moss Side / Ant | Misc. papers | 1839 - 1892 | D 3250 |
| CALWELL H.G. Dr. Author | Whitehead / Ant | Working papers | ? | D 3784 |
| CAMAC Estate | Mount Ross / Dow | Rentals/encumbered | c1856 | D 1201/22/9 |
| CAMAC family | Dervock / Ant | Gen. notes | c1900 | T 1177 |
| CAMAC Thomas | Derrykeighan / Ant | Parish history | c1911 | T 2310 |
| CAMDEN Lord | Co Down | Letter to Downshire | 12/12/1796 | D 607/D/396 |
| CAMDEN Lord | Co Down | Letter to Downshire | 29/10/1796 | D 607/D/263 |
| CAMERON Alexander | Belfast | Affidavit | c 1876 | T 2545 |
| CAMPBELL Archibald | Crawfordsburn / Don | Test. Costs | c1866 | T 2719 |
| CAMPBELL Archie Private | Newtownards / Dow | Killed at Somme | c1916 | D 2760 |
| CAMPBELL Colin | Ballyheerin / Don | Letters patent | 1640 - 1641 | D 1935 |
| CAMPBELL David | Dromara / Dow | Will | c1840 | T 2272 |
| CAMPBELL David C. | Belfast | Home Rule Corresp. | 1912 - 1914 | T 1467 |
| CAMPBELL Emma Dame | Tullynaskeagh / Dow | Lease | c1828 | D 2796 |
| CAMPBELL family | Badoney Upper / Tyr | Leases etc. | 1732 - 1819 | D 3733 |
| CAMPBELL family | Ballycastle / Ant | Title deeds etc. | 1720 - c1960 | D 3156 |
| CAMPBELL family | Ballycreelly / Dow | Title deeds | 1830 - 1951 | D 1744 |
| CAMPBELL family | Ballymacashen / Dow | Gen. notes | 1906 - 1959 | T 1618 |
| CAMPBELL family | Ballyrobin / Ant | Pedigree | c1700 - c1980 | T 3597 |
| CAMPBELL family | Ballyrobin / Ant | Pedigree | c1745 - c1980 | T 3601 |
| CAMPBELL family | Ballyrush / Dow | Title deeds | 1830 - 1951 | D 1744 |
| CAMPBELL family | Belfast | Pedigree | c1700 - c1980 | T 3597 |
| CAMPBELL family | Dublin | Test. papers | c1725 - 1896 | D 2473 |
| CAMPBELL family | Dungannon / Tyr | Title deeds etc. | c1800 - 1900 | D 1081add |
| CAMPBELL family | Gallonagh / Tyr | Test. papers,deeds | 1828 - 1928 | D 2298add |
| CAMPBELL family | Grange / Tyr | Gen. notes | mid18c - 1985 | D 3000/122 |
| CAMPBELL family | Holywood / Dow | Test. papers | c1725 - 1896 | D 2473 |
| CAMPBELL family | Keady / Arm | Deeds etc. | 1813 - 1907 | D 1522 |
| CAMPBELL family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| CAMPBELL family | Killyman / Tyr | Title deeds etc. | 1720 - c1960 | D 3156 |
| CAMPBELL family | King St. Belfast | Title deeds | 1890 - 1948 | D 3552 |
| CAMPBELL family | Newry / Dow | Gen. notes | c1684 - 1799 | D 2453 |
| CAMPBELL family | Omagh / Tyr | Title deeds / rentals | 1765 - 1819 | D 674 |
| CAMPBELL family | Pubble / Tyr | Test. papers,deeds | 1828 - 1928 | D 2298add |
| CAMPBELL family | Rathfern/W'abbey/Ant | Test. papers | c1725 - 1896 | D 2473 |
| CAMPBELL family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| CAMPBELL family | Templemoyle / Ldy | Lease of lands | c1826 | T 1227 |
| CAMPBELL family | Templepatrick / Ant | Dom. accts, corresp. | c1820 - c1900 | D 693 |
| CAMPBELL family | Tullyglush / Arm | Title deeds | c1830 - 1930 | D 1616 |
| CAMPBELL family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| CAMPBELL family | Gen. notes | D 1725 | ||
| CAMPBELL Grocery/Spirits | Dungannon / Tyr | Acct. books | 1915 - 1926 | D 1723 |
| CAMPBELL Hugh | Plumbridge / Tyr | Journal | c1818 | T 3482 |
| CAMPBELL James | Belfast | Letters | mid 19c | D 2473 |
| CAMPBELL James | Listullycurran / Dow | Lease | c1790 | D 2697 |
| CAMPBELL James | Mullartown / Dow | Sale of Ship | c1910 | T 2847 |
| CAMPBELL James | Nurchorsy Scotch / Tyr | Title deeds | 1857 - 1896 | T 1596 |
| CAMPBELL John | Ballyrobin / Ant | Will references | c1878 | T 1772 |
| CAMPBELL John | Ballytresna / Ant | Will references | c1878 | T 1772 |
| CAMPBELL John | Dromara / Dow | Copy Will | c1813 | T 2272 |
| CAMPBELL John | Lisnawhiggel / Ant | Trust papers | 1870 - 1960 | D 2792 |
| CAMPBELL Robert Rev. | Templepatrick / Ant | Emig. letter | c1832 | D 693 |
| CAMPBELL T. Rev | Richhill / Arm | Notes on Academy | c1800 | T 1257 |
| CAMPBELL A.P. Sawmills | Dunnamanagh / Tyr | Accts. corresp. | 1893 - 1926 | D 1091 |
| CAMPBELL Estate | Clontanagullion/Dow | Bonds,deeds etc. | 1830 - 1951 | D 1744 |
| CAMPBELL Lydia Hemsworth | Belfast | Will | c1844 | D 2548 |
| CANAVAN Arthur | Annaghone / Tyr | Copy Will | c1864 | T 3671 |
| CANAVAN family | Dunsilly / Ant | Domestic Acct. Bk. | c 1815 | T 2188 |
| CAPPER family | Belfast | Corresp. photos. | 1861 - 1878 | T 3658 |
| CAPPER family | Lurgan / Arm | Corresp. photos. | 1861 - 1878 | T 3658 |
| CAPPER family | Lurgan / Arm | Pedigree | c1720 - 1983 | T 3658 |
| CAPPER John Linen Merch. | Lurgan / Arm | Letters | 1847 - c1857 | D 2794 |
| CARBERY Ethna | Belfast | 2 poems | 1883, 1884 | T 1430 |
| CARDWELL family | Tonaghmore / Dow | Gen. notes | 1820 - 1900 | T 1698 |
| CAREW George | Ireland | Misc. papers | c1550 - 1680 | Mic 217 |
| CAREY family | Carrickfergus / Ant | Gen. notes | c1720 - 1952 | T 2152 |
| CAREY John | Duneane / Ant | Disputed Will | c1890 | D 1583 |
| CAREY family | Ballinderry / Ant | Gen. notes | c1600 - c1867 | T 1956 |
| CAREY family | Faughanvale / Ldy | Leases, deeds | 1730 - 1882 | D 1393 |
| CAREY family | Ireland | Gen. notes | c 1835 | Mic 65 |
| CAREY family | Gen. notes | D 1725 | ||
| CARLETON Charles | Roseville, Blaris / Dow | Copy Will | c1818 | D 1905add |
| CARLETON John | Roseville, Blaris / Dow | Copy Will | c1816 | D 1905add |
| CARLETON family | Lisburn / Ant | Title deeds | 19c | D 2489add |
| CARLETON family | Roseville, Blaris / Dow | Furniture inventory | 1816 - 1885 | D 1905add |
| CARLEY Ellen Miss | Crannies / Ant | Testimony papers | 1883 - 1890 | D 1661 |
| CARLIN family | Ballynahinch / Dow | Gen. notes | early 18c - 1984 | D 3000/102 |
| CARLIN family | Carrickfergus / Ant | Gen. notes | early 18c - 1984 | D 3000/102 |
| CARLIN family | Kilmegan / Dow | Gen. notes | c1700 - 1980 | D 3000/102 |
| CARLINGFORD Lord Estate | Ardee / Louth | Estate papers | 1877 - 1885 | T 2234 |
| CARLINGFORD LOUGH | Newry / Dow | Comm. mins. accts | 1866 - 1946 | D 933 |
| CARLISLE Ann | Belfast | Test. papers | 1888 - c1900 | D 730 |
| CARLISLE Elizabeth | Forkhill / Arm | Letters | 1847 - 1851 | T 1790 |
| CARLISLE family | Ballycastle / Ant | Letters | 1851 - 1892 | Mic 143 |
| CARLISLE family | Carlisle Circus, Belfast | Title deeds, leases | 1862 - 1948 | D 3747 |
| CARLISLE family | Newry / Dow | Gen. notes | from 17c | D 2355 |
| CARLISLE family | Omagh / Tyr | Leases, deeds etc | 1785 - 1789 | D 3850 |
| CARLISLE family | Gen. notes | D 1725 | ||
| CARLISLE John R. | Ballyhenry / Ant | Accts. sale | c1884 | D 3140add |
| CARLISLE John R. | Ballyvesey / Ant | Accts. sale | c1884 | D 3140add |
| CARLISLE John R. | Belfast | Copy Will | c1883 | D 3140add |
| CARLISLE John R. | Belfast | Accts. sale | c1884 | D 3140add |
| CARLISLE Robert | Dungiven / Dow | Lic. to keep arms | c1843 | D 734 |
| CARLISLE Samuel | Knockbracken / Dow | Diary | 1840 - 1845 | D 1952 |
| CARLISLE Samuel | Knockbracken / Dow | Corresp. | 1852 - 1862 | D 1952 |
| CARLTON family | Portadown / Arm | Title deeds | from 1711 | D 1252 |
| CARMICHAEL family | Ireland | Gen. notes | c1650 - c1870 | T 1021add |
| CARMICHAEL William | Belfast | Letter to daughter | c1787 | T 2899 |
| CARNLOUGH Lime Co. Ltd | Carnlough / Ant | Accts. etc | 1890 - 1963 | D 1620 |
| CARNWRATH family | Co Londonderry | Gen. notes | 1660 - c1950 | T 2118 |
| CAROLAN Edward | Co. Monaghan | Copy Will | c1796 | Mic 426 |
| CARPENTER family | Lurgan / Arm | Title deeds, leases | 1789 - 1859 | D 1524add |
| CARR family | Ards. / Dow | Gen. notes | 1910 - 1916 | D 2353 |
| CARR family | Newry / Dow | Gen. notes | 1621 - 1920 | T 1967 |
| CARR family | Killyleagh / Dow | Corresp. | 1738 - 1838 | D 2930 |
| CARR family | Newry / Dow | Pedigree | 16c - 19c | T 2747 |
| CARR John | Ballymacarrett / Dow | Apprentice Indent. | c1872 | D 3540 |
| CARREY family | Carrickfergus / Ant | Title deeds | 1699 - 1908 | D 2999 |
| CARRICKFERGUS GAS Co. | Carrickfergus / Ant | Mins. etc | 1854 - 1950 | D 1733 |
| CARRICKFERGUS Advertiser | Two volumes | 1892 - 1905 | D 1565 | |
| CARRICKFERGUS Salt Mines | Carrickfergus / Ant | Maps, legal papers | 1868 - 1886 | D 980 |
| CARROLL family | Dublin | 1738 - 1911 | D 1137 | |
| CARROLL family | Moira / Dow | Gen. notes | 1884 - 1912 | T 2486 |
| CARROLL family | Seapark / Ant | Gen. notes | c1600 - c1900 | D 2339 |
| CARROTHERS family | Bracky / Fer | Gen. notes | 17c - 1980 | D 3000/110 |
| CARROTHERS family | Farnaght / Fer | Gen. notes | 17c - 1980 | D 3000/110 |
| CARROTHERS Jack Lt. | France Roy. Innis Fuz | Letters home Ennisk | 1914 - 1917 | D 1973 |
| CARROTHERS Nathaniel | Farnaght / Fer | Emig. letter | 1922 - 1931 | D 3000/110 |
| CARROTHERS William | Farnaght / Fer | Emig. letter | 1839 - 1870 | D 2784/16 |
| CARROTHERS William | Lisbellaw / Fer | Letters from USA | 1839, 1859 | T 1886 |
| CARROTHERS William | Lisbellaw / Fer | Emig. letters | 1848 - 1853 | T 1888 |
| CARRY family | Carrickfergus / Ant | Title deeds | 1699 - 1908 | D 2999 |
| CARSE family | Carrigullan / Dow | Title deeds, leases | 1750 - 1868 | D 3694 |
| CARSE James | Carrigullian / Dow | Copy Will | c1834 | D 3694 |
| CARSON Edward Sir | Brighton / Sussex | Lenon letter Dublin | c1910 | D 925 |
| CARSON Edward Sir | Belfast | Press cuttings | 1913, 1916 | D 1245 |
| CARSON family | Artiferral / Ant | Testimony papers | 1832 - 1928 | T 2077 |
| CARSON family | Ballymena / Ant | Linen yarn salesbk | 1801 - 1815 | D 1685 |
| CARSON family | Ballymoney / Ant | Gen. notes | 1763 - 1940 | D 1680 |
| CARSON family | Belfast | Pedigree | 1760 - 1847 | D 843 |
| CARSON family | Coleraine / Ldy | Family history | from mid 18c | T 3054 |
| CARSON family | Conogher / Ant | Pedigree | c1783 - c1972 | D 3000/95 |
| CARSON family | Lurgan / Arm | Pedigree | 1800 - 1969 | T 2723 |
| CARSON family | Sessiagh / Tyr | Title deeds, leases | 1802 - 1855 | D 2658add |
| CARSON John | Sessiagh / Tyr | Copy Will / Probate | c1838 | D 2658add |
| CARSON Margaret | Carnalea Ho. / Dow | Wife of B.Gen Oswa | c1880 - c1938 | D 2416 |
| CARSON Richard | Rathmullen / Dow | Wrecks / Dundrum | c1849 | D 878 |
| CARSON William J. | Downpatrick / Dow | Will | c1889 | D 738 |
| CARTER W.H. Estate | Erris / Mayo | Rental & Sales | c1859 | D 2469 |
| CARUTH Walter | Ballypalady / Ant | Test. papers | 1839 - 1853 | D 1843 |
| CARVILL William | 32, Lower Clonard, Bel | Appoint/ ho. keeper | c1895 | D 3185 |
| CARY Mary Ann | Donagh / Don | m. Charles Hamilton | c1805 | T 2799add |
| CARY family | Carrickfergus / Ant | Pedigree | 1804 - 1910 | T 1195 |
| CARY family | Redcastle / Don | Gen. notes | c1600 - 1970 | D 3045 |
| CARY George | Whitecastle / Don | Copy Will | c1818 | D 2649 |
| CARY Jane Hamilton | Tirnaleaguy / Don | m.Lt T.L. Metcalfe | c1805 | T 2799add |
| CARY John | Ireland | Map | c1799 | D 787 |
| CARY Martha | Donagh / Don | m. John Leper | c1727 | T 2799add |
| CARY Robert | Tirnaleague / Don | Will | c1835 | T 2799add |
| CASEMENT Estate | Ballycastle / Ant | Maps etc. | 1839 - 1843 | T 2267 |
| CASEMENT Estate | Co. Antrim | I. L. C. papers | c1886 - c1896 | D 2792 |
| CASEMENT family | Ballinderry / Ant | Legal papers, accts | 1824 - 1897 | D 896 |
| CASEMENT family | Ballycastle / Ant | Misc. papers | late 19c early20c | D 1062 |
| CASEMENT family | Ballymena / Ant | Rentals etc | 1797 - 1872 | D 1905add |
| CASEMENT family | Bellaghy / Ldy | Leases, deeds etc. | from mid 18c | D 1911 |
| CASEMENT family | Co. Antrim | Gen. notes | D 1946 | |
| CASEMENT family | Cullybackey / Ant | Leases, deeds etc. | from mid 18c | D 1911 |
| CASEMENT family | Galgorm / Ant | Title deeds | 19c - 20c | D 1911add |
| CASEMENT family | Larne / Ant | Rentals etc | 1797 - 1872 | D 1905add |
| CASEMENT family | Larne / Ant | Legal papers, accts | 1824 - 1897 | D 896 |
| CASEMENT family | Pine Hill / Dow | Rentals etc | 1797 - 1872 | D 1905add |
| CASEMENT family | Portglenone / Ant | Leases, deeds etc. | from mid 18c | D 1911 |
| CASEMENT Robert | Sheepland Beg / Dow | Farm Labourer acct | 1798 - 1883 | D 3034 |
| CASEMENT Roger Sir | Pentonville Prison | Letter | c1916 | T 3306 |
| CASEMENT Roger Sir | Ballymoney / Ant | United Irish speech | c1913 | D 2672 |
| CASEMENT Thomas Surgeon | East India Co. | Will | c1803 | D 1905add |
| CASEMENT William | Sheepland Beg / Dow | Farm Labourer acct | 1798 - 1883 | D 3034 |
| CASEMENT J. M. Admiral | Bellaghy / Ldy | Corresp. | c1926 | D 2513 |
| CASEMENT Thomas Surgeon | Lisburn / Ant | Copy Will | c1806 | D 1715 |
| CASSIDY Mark Rev. | Newtownards / Dow | Misc. agent's papers | 1810 - 1839 | D 1088 |
| CASTLE STEWART Earls | Stewartstown / Tyr | Legal papers | 1810 - 1830 | D 3709 |
| CASTLEISLAND Linen Co. | Portadown / Arm | River pollution | 1908 - 1911 | D 2562 |
| CASTLES Robert | Derryloughan / Arm | Farm acct. book | 1867 - 1890 | D 3630 |
| CASTLESTEWART Estate | Co Cavan | Rentals & accts. | 1838 - 1908 | D 2002 |
| CASTLESTEWART family | Castlegore / Tyr | Title deeds | 1673 - 1820 | D 1618 |
| CASTLESTEWART family | Coalisland / Tyr | Title deeds | 1673 - 1820 | D 1618 |
| CASTLESTEWART family | Stewartstown / Tyr | Title deeds | 1673 - 1820 | D 1618 |
| CASTLESTEWART family | Stewartstown / Tyr | gen. notes | from 12c | D 1618 |
| CASTLESTUART Earl | Ardstraw / Tyr | Leases etc. | 1830 - 1907 | D 2658add |
| CASTLESTUART Earl | Kildress / Tyr | Leases etc. | 1830 - 1907 | D 2658add |
| CASTLESTUART Earl | Longfield East / Tyr | Leases etc. | 1830 - 1907 | D 2658add |
| CASTLESTUART Earl | Longfield West / Tyr | Leases etc. | 1830 - 1907 | D 2658add |
| CASTLETOWN family | Drumhome / Don | Survey of property | c1770 | Mic 435 |
| CASTLEWARD papers | Lecale / Dow | Copy corresp. | c1850 - 1860 | D 2092add |
| CATHER Estate | Limavady / Ldy | Title deeds | c1760 - c1940 | D 1550 |
| CATHER David | Limavady / Ldy | Copy Will | c1846 | D 2935 |
| CATHER Estate | Limavady / Ldy | Rentals, accts | 1932 - 1942 | D 2808 |
| CATHER Estate | Limavady / Ldy | Leases etc. | c1860 - 1920 | D 1550add |
| CATHER family | Limavady / Ldy | Gen. notes | c1820 - c1890 | D 2935 |
| CATHERWOOD family | Ballyvester / Dow | Pedigree | 1616 - 1883 | D 1317 |
| CATHERWOOD family | Carrickfergus / Ant | Gen. notes | 1630 - 1920 | Mic 104 |
| CATHERWOOD family | Rosapenna / Don | Pedigree | 1616 - 1883 | D 1317 |
| CATHRO James | Knockmay / Queens | Map | c1808 | D 612 |
| CATTNEY Joseph | Ballynock / Dow | Copy Will | c1861 | D 2095 |
| CAUGHEY family | Portaferry / Dow | Gen. notes | 1754 - c1900 | T 3032 |
| CAULFIELD family | Stewartstown / Tyr | Press cuttings | 1864 - 1942 | D 1083 |
| CAULFIELD James A. | Drumkern / Tyr | Lease of lands | 1860 - 1861 | D 731 |
| CAVEHILL &Whitewell Trams | Belfast | Legal papers | c1911 | D 1120 |
| CAVENDISH Henry Sir Est. | Clones / Mon | Baker maps | c1763 | T 2280 |
| CAVENDISH Henry Sir Est. | Kilsberry / Tyr | Baker maps | c1763 | T 2280 |
| CAVENDISH Henry Sir Est. | Tedavnet / Mon | Baker maps | c1763 | T 2280 |
| CAVIN William | Coleraine / Ldy | Court rentals etc | c1872 | D 2587 |
| CAW family | Co. Fermanagh | Gen. notes | early 18c - 1984 | D 3000/102 |
| CENSUS | North of Ireland | Trift extracts | 1821, 41, 51 | T 3703 |
| CERUTTI family | Knocknagoney / Dow | Leases,legal papers | 1743 - 1905 | D 851 |
| CESS BOOK | Aghalee / Ant | c 1840 | D 1200 | |
| CHAINE family | Larne / Ant | Harbour history | c1820 - 1960 | D 1570 |
| CHAINE family | Portglenone / Ant | Pedigree | 1752 - 1866 | T 1586 |
| CHAINE James Estate | Antrim / Ant | I.L.C. papers | 1848 - 1911 | D 2448 |
| CHAINE James Estate | Larne / Ant | I.L.C. papers | 1848 - 1911 | D 2448 |
| CHAINE James Estate | Templepatrick / Ant | I.L.C. papers | 1848 - 1911 | D 2448 |
| CHAMBERS Alexander | Banbridge / Dow | Probate of Will | c1841 | D 3805 |
| CHAMBERS family | Ballyclander / Dow | Gen. notes | 1595 - 1859 | T 1439 |
| CHAMBERS family | Ballymaguire / Tyr | Gen. Table | c1976 | D 2712add |
| CHAMBERS family | Ballymoney / Ant | Wills | 1770 - 1819 | D 2052 |
| CHAMBERS family | Ballymoney / Ant | Title deeds/ Main St | 1770 - 1875 | D 2052 |
| CHAMBERS family | Ballynagarrick / Dow | Title deeds | 1693 - 1887 | T 1842 |
| CHAMBERS family | Co. Down | Church records extr. | 1756 - 1923 | T 2699 |
| CHAMBERS family | Co. Down | Test papers | 1815 - 1933 | D 3051 |
| CHAMBERS family | Fearn / Don | Copy Title deeds | 1761 - c1920 | D 2649 |
| CHAMBERS family | Lurgan / Arm | Title deeds | 1833 - 1860 | T 1842 |
| CHAMBERS family | Moneyglass / Arm | Emig. letter | c1796 | T 2299 |
| CHAMBERS family | Tullynaskeagh / Dow | Gen. notes | 1595 - 1859 | T 1439 |
| CHAMBERS family | Tullynaskeagh / Dow | Maps | c1850 | D 883 |
| CHAMBERS family | Tullynaskeagh / Dow | Gen. notes | c1862 - 1941 | D 883 |
| CHAMBERS family | Tullynaskeagh / Dow | Farm acct. book | c1884 | T 1443 |
| CHAMBERS family | Tullynaskeagh / Dow | Gen. notes | c1886 | D 883 |
| CHAMBERS James | Skeagh / Dow | Ballysallagh lease | c1845 | D 2095 |
| CHAMBERS William | Kilboyne / Mayo | Will | c1714 | D 1939 |
| CHAMBERS William | Meenaboll / Don | Map | c1828 | D 2298add |
| CHAMBERS William | Meenatinny / Don | Map | c1828 | D 2298add |
| CHAMBERS William | Meenirroy / Don | Map | c1828 | D 2298add |
| CHAMBERS William | Ballybrannagh / Dow | Carpenter | c1876 | D 3066 |
| CHAMBRE Hunt Walsh | Newry / Dow | Title deeds | 1819, 1822 | D 2637 |
| CHAMBRE Hunt Walsh | Portadown / Arm | Title deeds | 1819, 1822 | D 2637 |
| CHAMBRE Hunt Walsh | Richhill / Arm | Title deeds | 1819, 1822 | D 2637 |
| CHANDLER Harriet | Dublin | Letters of Admin. | c1802 | T 2875 |
| CHAPLIN family | Carrickfergus / Ant | Pedigree | 1804 - 1910 | T 1195 |
| CHAPLIN Henry | Londonderry | Misc. papers | 1860 - 1928 | D 3099 |
| CHAPMAN family | Brookfields / Ant | Gen. notes | c1944 | T 1848 |
| CHARLEMONT Estate | Co. Armagh | Ejectment costs | 1844 - 1846 | D 870 |
| CHARLEMONT Earl | Ballymacawley / Arm | Counterpart leases | 1788 - 1804 | D 2394 |
| CHARLEMONT Earl | Derrylard / Arm | Counterpart leases | 1788 - 1804 | D 2394 |
| CHARLEMONT Earl | Rathdrumgran / Arm | Counterpart leases | 1788 - 1804 | D 2394 |
| CHARLEMONT Earl Estate | Castlecaulfield / Tyr | Maps, leases | 1825 - 1831 | T 1176 |
| CHARLEMONT Earl Estate | Charlemont / Arm | Maps, leases | 1825 - 1831 | T 1176 |
| CHARLEMONT Earl Estate | Blackwatertown / Arm | Rentals | 1752 - 1765 | T 1175 |
| CHARLEMONT Earl Estate | Charlemont / Arm | Rentals | 1752 - 1765 | T 1175 |
| CHARLEMONT Estate | Ballybrannan / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Ballymacawley / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Ballymacknab / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Carnavanaghan / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Cashel / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Castlecaulfield / Tyr | Agents accts. | 1759 - 1761 | D 2644 |
| CHARLEMONT Estate | Castlecaulfield / Tyr | Rentals, accts. | 1863 - 1907 | D 2363 |
| CHARLEMONT Estate | Cavangrow / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Charlemont / Arm | Agents accts. | 1759 - 1761 | D 2644 |
| CHARLEMONT Estate | Clady Beg / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Clady More / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Cloghfin / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Corr / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Damoily / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Derrylard / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Drumatee / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Drumathee / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Drumman Beg / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Dunavalley / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Enagh / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Foley / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Granemore /Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Grange Blundel / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Grange More / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Kilmachugh / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Larahshankill / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Lurgaboy / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Maghery / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT Estate | Markethill / Arm | Rentals, accts. | 1863 - 1907 | D 2363 |
| CHARLEMONT Estate | Moy / Tyr | Rentals, accts. | 1863 - 1907 | D 2363 |
| CHARLEMONT Estate | Newry / Arm | Rentals, accts. | 1863 - 1907 | D 2363 |
| CHARLEMONT Estate | Rathdrumgran / Arm | Expired leases | 1782 - 1904 | D 1644 |
| CHARLEMONT James Viscount | Copy Will | c 1816 | D 1594 | |
| CHARLEMONT Lord | Moy / Tyr | Title deeds | 1765 - 1916 | D 1790 |
| CHARLEMONT Lord Estate | Foygh / Tyr | Maps | c1876 | D 1018 |
| CHARLEMONT Lord Estate | Reaskcor / Tyr | Maps | c1876 | D 1018 |
| CHARLEMONT Viscount | Dumcairne / Arm | Agent's acct. book | 1895 - 1908 | D 3397 |
| CHARLES SHEILS Charity | Killough / Dow | Minute books | 1865 - 1971 | D 1678add |
| CHARLETON family | Fintona / Tyr | Gen. notes | compiled 1932 | D 1048 |
| CHARLEY family | Dunmurray / Ant | Gen. notes | 19c | T 1677 |
| CHARLEY Edward Rev. | Mayo / Dow | Rent fixing orders | c1899 | D 935/Cadd |
| CHARLEY Elizabeth J. | Belfast | Copy Will | c1849 | D 2489add |
| CHARLEY family | Belfast | Gen. notes | 1744 - 1924 | T 2166add |
| CHARLEY family | Dunmurray / Ant | Gen. notes | c1631 - 1943 | T 3266 |
| CHARLEY family | Seymour Hill / Ant | Photos. | c1900 | T 1677add |
| CHARLEY family | Gen. notes | D 1725 | ||
| CHARLEY Matthew | Glenville / Ant | Lease / Finaghy | c1819 | D 684 |
| CHARLEY Linen Works | Dunmurray / Ant | business papers | 1840 - 1926 | D 1171 |
| CHART Dr. Deputy Keeper | Drumglass / Arm | notes on parish reg. | D 1246 | |
| CHART Dr. Deputy Keeper | Magheralin / Dow | notes on parish reg. | D 1246 | |
| CHART Dr. Deputy Keeper | Tynan / Arm | notes on parish reg. | D 1246 | |
| CHARTERS family | Co Fermanagh | Gen. notes | from 17c | D 2453 |
| CHARTERS George Washingt | Glengormly / Ant | Misc. papers | 1872 - 1910 | D 2489add |
| CHARTER'S Spinning Mill | North Howard St. Bel. | Photo. of workers | c1915 | T 3494 |
| CHARTES family | Curragh / Fer | gen. notes | c1700 - c1800 | T 2108 |
| CHARTRES family | Kilmore / Fer | Legal papers | 1736 - 1912 | D 1096 |
| CHASE Joshua | Templepatrick / Ant | Teaching cert. Dublin | c1828 | T 1405 |
| CHATSWORTH Papers | Ireland | Misc. papers | 1693 - 1812 | T 3158 |
| CHENEY family | Gen. notes | D 1728 | ||
| CHERRY family | Belfast | Pedigree | 1775 - 1961 | T 2271 |
| CHERRY family | Lisburn / Ant | Pedigree | 1775 - 1961 | T 2271 |
| CHERRY R R Rt. Hon. | Waterford | Career notes | 1882 - 1938 | D 2166 |
| CHERRY William | Belfast | Letter | 1866 - 1868 | D 1560 |
| CHESNEY family | Toome / Ant | gen. notes | from c1669 | Mic 43/1 |
| CHESNEY Alex. | Annalong / Dow | Corresp. | 1786 - 1813 | D 3696 |
| CHESNEY Alexander Capt. | Dunclug / Ant | Notebook | 1795 - 1815 | D 2260 |
| CHESNEY family | Ballycastle / Ant | Gen. notes | c1640 - 1960 | D 1753 |
| CHESNEY family | Ballymena / Ant | Gen. notes | c1640 - 1960 | D 1753 |
| CHESNEY family | Kilkeel / Dow | Trust deeds / land | 1834 - 1900 | D 726 |
| CHESNEY family | Kilkeel / Dow | gen. notes | from c1669 | Mic 43/1 |
| CHESNEY family | Kilkeel/Annalong /Dow | Mourne Obs. notes | 1641 - c1950 | D 3000/88/4 |
| CHESNEY Robert | Largy / Ant | Letters to Canada | 1832, 1834 | T 3238 |
| CHESNEY Francis Rawdon Gen | Kilkeel / Dow | Career papers Gen. | 1823 - 1871 | D 3480/52 |
| CHICHESTER Ann Lady | m. 4th Earl Barrymore | 30 July 1716 | T 3364/4/2 | |
| CHICHESTER family | Ballymena / Ant | Misc. papers | 1856 - 1947 | D 3027 |
| CHICHESTER family | Co. Antrim | Title deeds / leases | 1691 - 1803 | T3425Mic385 |
| CHICHESTER family | Co. Donegal | Title deeds / leases | 1691 - 1803 | T3425Mic385 |
| CHICHESTER family | Co. Donegal plus | General /Estate docs | 1744 - 1908 | T 3303add |
| CHICHESTER family | Ireland | Misc. papers | 1708 - 1911 | T 3303 |
| CHICHESTER family | Ireland | Misc. papers | 1708 - 1911 | Mic 334 |
| CHICHESTER family | Gen. notes | 1385 - 1908 | T 2196 | |
| CHICHESTER family Estate | Co. Antrim | Title deeds etc. | 1799 - 1905 | D 3402 |
| CHICHESTER family Mic 528 | Inishowen / Don | Deeds, leases | 1794 - 1978 | D 3027add |
| CHICHESTER family Mic 528 | Shane's Castle / Ant | Deeds, leases | 1794 - 1978 | D 3027add |
| CHICHESTER G. A. Hamilton | Belfast | Title deeds | 1879 - 1900 | D 3854 |
| CHICHESTER G. A. Hamilton | Carrickfergus / Ant | Title deeds | 1879 - 1900 | D 3854 |
| CHICHESTER G. A. Hamilton | Inishowen / Don | Title deeds | 1879 - 1900 | D 3854 |
| CHICHESTER G. A. Hamilton | Islandmagee / Ant | Title deeds | 1879 - 1900 | D 3854 |
| CHICHESTER Spencer Stanley | Inishowen / Don | Estate Maps | c1805 | T 2488 |
| CHIPP family | Beaumont, Malone Rd. | Docs. photos | c1860 - 1945 | D 2449 |
| CHIPP family | Belfast | Family history | c1850 - c1970 | T 3582add |
| CHIPP Herbert | Belfast | Diaries | 1867 - 1871 | D 2449 |
| CHISHOLM family | Carnmoney / Ant | Test. papers | 1849 - 1872 | T 1188 |
| CHISHOLM family | Cloughfern / Ant | Title deeds | 1812 - 1842 | T 1188 |
| CHISHOLM family | Cloughfern / Ant | Test. papers | 1849 - 1872 | T 1188 |
| CHISHOLM family | Whiteabbey / Ant | Rentals etc. | 1842 - 1867 | D 2979 |
| CHRISTIAN family | Magheragall / Ant | Gen. notes | 1763 - 1777 | D 260add |
| CHRISTIE family | Belfast | Title deeds etc. | 1827 - 1899 | D 709 |
| CHRISTIE Rachel | Kilraghts / Ant | Copy Will | c1906 | T 2880 |
| CHRISTY family | Ballymacanallen / Dow | Titledeeds, leases | 1630 - 1927 | D 959add |
| CHRISTY family | Knocknagor / Dow | Titledeeds, leases | 1630 - 1927 | D 959add |
| CHRISTY family | Moyallen / Dow | Titledeeds, leases | 1766 - 1894 | D 959add |
| CHRISTY family | Tullylish / Dow | Titledeeds, leases | 1630 - 1927 | D 959add |
| CHRISTY Thomas | Moyallen / Dow | Fine / lands | c1766 | D 799 |
| CHRISTY Thomas | Moyallen / Dow | Will | c1780 | T 1976 |
| CHRISTY Thomas | Moyallen / Dow | Will | c1780 | T 1976 |
| CHURCH family | Coleraine / Ldy | Gen. notes | from 1500 | T 2440 |
| CHURCH John Capt. Estate | Coleraine / Ldy | Map | c1805 | D 1829 |
| CHURCH of IRELAND | Culdaff / Don | Parishioner's list | c1800 | D 3045 |
| CHURCH of IRELAND | Donaghmore / Tyr | baps, marrs, burials | 1741 - 1901 | D 750 |
| CHURCH of IRELAND | Galloon / Fer | Visiting bk. census | c1847 | D 2098 |
| CHURCH of IRELAND | Knockbreda / Belfast | List of members | 1873, 1875 | T 2786 |
| CHURCH OF IRELAND | Moira / Dow | Parish map | c1863 | T 1189 |
| CHURCH of IRELAND | Sallaghy / Fer | Visiting bk. census | c1847 | D 2098 |
| CHURCH of IRELAND | St. Martin's Cath. Ennisk | Register / members | c1871 | D 2296 |
| CHURCH of IRELAND | St. Mary's Newry | Baps, marrs, burials | 1775 - 1963 | D 2034 |
| CHURCH of IRELAND | St. Ninian's Belfast | Air Raid Shelter Nb. | 1941 - 1944 | D 2742 |
| CHURCH of IRELAND | St. Patrick's Newry | Baps, marrs, burials | 1836 - 1851 | D 2034 |
| CHURCH of IRELAND | St. Patrick's Newry | Burials | 1861 - 1932 | D 2034 |
| CHURCH of IRELAND | Inishmacsaint / Fer | Parish history | 523 - 1912 | T 2849 |
| CHURCH EDUCATION Soc. | Ballinran / Dow | Ms history | 1810 - 1897 | T 1462 |
| CHURCH LADS BRIGADE | Belfast | Minute book | 1908 - 1917 | D 950 |
| CHURCH of IRELAND | Armagh | Marr. licence bonds | 1727 - 1845 | Mic 5B |
| CHURCH of IRELAND | Ballynascreen / Ldy | Visitation Reports | 1870 - 1890 | T 1713 |
| CHURCH of IRELAND | Broomhedge / Ant | Sun. Sch. Att. book | 1822 - 1830 | T 1992 |
| CHURCH of IRELAND | Clogher / Tyr | Marr. licence bonds | 1709 - 1866 | Mic 5B |
| CHURCH of IRELAND | Clogher / Tyr | Baptism reg. extracts | 1763 - 1812 | T 2655 |
| CHURCH of IRELAND | Derryboran / Tyr | Exts. Bap,mar,death | 1797 - 1825 | T 2574 |
| CHURCH of IRELAND | Down & Connor | Marr. licence bonds | 1721 - 1845 | Mic 5B |
| CHURCH of IRELAND | Draperstown / Ldy | Visitation Reports | 1870 - 1890 | T 1713 |
| CHURCH of IRELAND | Enniskillen / Fer | Extrs. baps.mar.bur | 1666 - 1826 | D 3152add |
| CHURCH of IRELAND | Glenarm / Ant | Burials | 1846 - 1941 | T 3054 |
| CHURCH of IRELAND | Glenarm / Ant | Marriages | 1882 - 1922 | T 3054 |
| CHURCH of IRELAND | Inishmacsaint / Fer | Extrs. baps.mar.bur | 1660 - 1814 | T 3548 |
| CHURCH of IRELAND | Kilaghtee / | baps,marrs,banns | 1807 - 1831 | D 103 |
| CHURCH of IRLELAND | Annahilt / Dow | Sunday Sch. rolls | 1869 - 1903 | D 2319 |
| CHURCH of IRELAND | Antrim / Ant | Rector's visiting bk. | 1915 - 1916 | D 1200 |
| CHURCH OF IRELAND | Antrim / Ant | Tithe accounts | c1714 | D 947 |
| CHURCH of IRELAND | Arboe / Tyr | Registers 6 vols. | 1773 - 1906 | D 1278 |
| CHURCH OF IRELAND | Ballinderry / Ant | Typed extrs. regs. | 1806 - 1837 | T 1572 |
| CHURCH OF IRELAND | Carnmoney / Ant | Misc. records | 1789 - 1891 | D 852 |
| CHURCH of IRELAND | Christ Church / Belfast | Typescript history | 1831 - 1858 | T 2159 |
| CHURCH OF IRELAND | Clogher / Tyr | Marr. notices | 1845 - 1902 | D 1011 |
| CHURCH OF IRELAND | Clonca / Don | Vestry book | 1693 - 1707 | D 803 |
| CHURCH OF IRELAND | Culdaff / Don | Vestry book | 1693 - 1804 | D 803 |
| CHURCH of IRELAND | Derriaghy / Ant | Title deeds | 1801 - 1890 | T 1819 |
| CHURCH of IRELAND | Derry & Raphoe Diocese | Parochial map | c1895 | T 1702 |
| CHURCH OF IRELAND | Derrykeighan / Ant | Vestry Book | 1802 - 1826 | T 1182 |
| CHURCH OF IRELAND | Donacavey / Tyr | Vestry book notes | 1778 - 1802 | D 1048 |
| CHURCH OF IRELAND | Donacavey / Tyr | Baptisms | 1800 - 1807 | D 1048 |
| CHURCH of IRELAND | Donaghadee / Dow | Church history | 1926 - 1950 | T 1870 |
| CHURCH OF IRELAND | Down & Connor | Bishop's petition | 1482 - 1484 | T 1394 |
| CHURCH OF IRELAND | Down,Connor,Dromore | Historical notes | c1600 - c1850 | Mic 35 |
| CHURCH OF IRELAND | Drumgath / Dow | Preacher's book | c1861 | T 1453 |
| CHURCH of IRELAND | Enniskillen / Fer | St. Macartin's Cath. | 1895 - 1928 | D 1358 |
| CHURCH OF IRELAND | Londonderry | See of Derry papers | 1585 - c1850 | D 683 |
| CHURCH of IRELAND | Loughinisland / Dow | Ten registers | from 1760 | D 1407 |
| CHURCH of IRELAND | Magheragall / Ant | Antiquarian notes | D 1588 | |
| CHURCH OF IRELAND | Magheralin / Dow | New Ch. Subs list | c1840 | T 1571 |
| CHURCH of IRELAND | St. Annes Cath. | Typed marrs. | 1745 - 1799 | Mic 50 |
| CHURCH OF IRLELAND | Finvoy / Ant | Parish History | Compiled c1950 | T 1397 |
| CINNAMOND family | Earl. St. Belfast | Title deeds, leases | 1878 - 1908 | D 3480 |
| CIVIL SERVICE NEWS | Northern Ireland | 250 issues | 1927 - 1950 | D 1050/9 |
| CLAGAN Annie | Co. Londonderry | Emig. letter | c1888 | T 1639 |
| CLANBRASSIL Estate | Ballywalter / Dow | Rent Roll | c1670 | T 2253 |
| CLANBRASSIL Estate | Dundonald / Dow | Rent Roll | c1670 | T 2253 |
| CLANBRASSIL Estate | Holywood / Dow | Rent Roll | c1670 | T 2253 |
| CLANBRASSIL Estate | Portavogie / Dow | Rent Roll | c1670 | T 2253 |
| CLANBRASSIL Estate Lord | Bangor / Dow | Rent roll North Dow | T 2253 | |
| CLANBRASSILL James Earl | Dundalk / Louth | Survey | c1777 | T 2379 |
| CLANBRASSILL James Earl | Tullymore / Dow | Survey | c1777 | T 2379 |
| CLANWILLIAM Estate | Ballynahinch / Dow | Estate papers | 1659 - 1951 | D 3044/A/1-7 |
| CLANWILLIAM Estate | Gillhall / Dow | Estate papers | 1684 - 1917 | D 3044/A/1-7 |
| CLANWILLIAM Estate | Montalto / Dow | Estate papers | 1791 - 1912 | D 3044/A/1-7 |
| CLANWILLIAM Lady | Rathfryland / Dow | Copy Will | c1807 | Mic 259 |
| CLARK J. MRIA | Maghera / Ldy | Historical notes | c1897 | T 2709 |
| CLARK Sampson | Belfast | Lease Don.Sq.East | c1809 | D 666 |
| CLARK Ernest Sir | NI Civil Service Head | Personal diaries | c1882 - c1950 | D 1022 |
| CLARK Estate | Kilkeel / Dow | Rentals | 1902 - 1912 | D 935 |
| CLARK Estate | Maghera / Ldy | Title deeds | 1674 - c1940 | D 1550 |
| CLARK family | Maghera / Ldy | Gen. notes | 1687 - 1732 | D 2547add |
| CLARK family | Maghera / Ldy | Title deeds | 1856 - 1910 | D 2513 |
| CLARK family | Upperlands / Ldy | Gen. notes | c1939 | T 2329 |
| CLARK H. J. | Upperlands / Ldy | Diary | 1888 - 1889 | T 2709add |
| CLARK Henry Jackson | Upperlands / Ldy | Diary | c1939 | T 2329 |
| CLARK Mary Mrs | Limavady / Ldy | Emig. letters | 1818 - 1820 | D 3127 |
| CLARK Rebecca Mrs. | Urney / Tyr | Emig. letters | 1876 - 1878 | T 2700 |
| CLARK William | Killinchy Woods / Dow | Lease of Land | c1788 | D 3093 |
| CLARK William | Rockfield / Ldy | Sale/Maghera | c1832 | T 2666add |
| CLARK William | Upperlands / Ldy | Linen manf. papers | 1873 - 1882 | T 2835 |
| CLARK William & Sons Ltd | Upperlands / Ldy | Business history | c1730 - 1945 | Mic 424 |
| CLARKE Henry | Annasamry / Arm | Copy Will | c1727 | D 3047 |
| CLARKE William | Beltany / Tyr | Journal voy. N. Zea | c1879 | T 2727 |
| CLARKE Estate | Kilkeel / Dow | Wills & Test papers | 1772 - 1918 | D 1430/B - E |
| CLARKE Estate | Kilkeel / Dow | Correspondence | 1776 - 1920 | D 1430/B - E |
| CLARKE Estate | Kilkeel / Dow | Rentals | 1902 - 1912 | D 1430/B - E |
| CLARKE Estate | Killinchy /Dow | Leases | 1758 - 1872 | D 1430/B - E |
| CLARKE family | Ballybredagh / Dow | Title deeds, leases | 1802 - 1901 | D 1430add |
| CLARKE family | Ballydrain / Dow | Pedigree | c1600 - c1970 | D 1430add |
| CLARKE family | Ballymacaramery / Dow | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Ballymaghan / Dow | Title deeds, leases | 1798 - 1834 | D 1430add |
| CLARKE family | Ballyrobin / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Ballytweedy / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Bawnhill / Arm | Leases | 1819, 1831 | D 2027add |
| CLARKE family | Belfast | Title deeds, leases | 1758 - 1872 | D 1430add |
| CLARKE family | Belfast | Marr. settlement | 1769 - 1918 | D 1430add |
| CLARKE family | Belfast | Wills & Test. papers | 1772 - 1918 | D 1430add |
| CLARKE family | Belfast | Pedigree | c1700 - c1980 | T 3597 |
| CLARKE family | Bovean / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| CLARKE family | Cahard / Dow | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Carmavery / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Co. Antrim | Gen. notes | D 1946 | |
| CLARKE family | Cohannon / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| CLARKE family | Coleraine / Ldy | Test. papers | 1837 - 1936 | D 992 |
| CLARKE family | Connor / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Corkley / Arm | Title deeds,leases | 1846 - 1870 | T 3603 |
| CLARKE family | Derryboy / Don | Acct. books etc | c1840 - c1900 | D 1430 |
| CLARKE family | Derryboy / Dow | Title deeds, leases | 1758 - 1872 | D 1430add |
| CLARKE family | Elmwood / Belfast | Title deeds, leases | c1851 | D 1430add |
| CLARKE family | Killinchy / Dow | Title deeds, leases | 1758 - 1872 | D 1430add |
| CLARKE family | Laghey / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| CLARKE family | Lisburn / Ant | gen. notes | c1900 | Mic 92 |
| CLARKE family | Ringfad / Dow | Title deeds etc. | 1765 - 1868 | D 886 |
| CLARKE family | Steeple / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Steeple / Ant | Legal, test. papers | D 2489add | |
| CLARKE family | Stonepark / Fer | Emig. letters | 1868-9, 1875 | T 3661 |
| CLARKE family | Summer Island / Arm | Leases | 1819, 1831 | D 2027add |
| CLARKE family | Summerhill,B'miscaw/D | Title deeds, leases | 1758 - 1872 | D 1430add |
| CLARKE family | Tannaghmore / Ant | Title deeds, leases | 1814 - 1937 | D 2489add |
| CLARKE family | Tempauroe / Tyr | Title deeds, leases | 1654 - 1911 | D 3047 |
| CLARKE family Grocers | Newtownbutler / Fer | Accts. corresp. | 1830 - 1837 | T 1632 |
| CLARKE Henry | Annasamry / Arm | Copy Will & Probate | c1727 | D 2538 |
| CLARKE Henry | Annasamry / Arm | Copy Will | c1799 | D 2538 |
| CLARKE Henry | Summer Island / Arm | Copy Will | c1822 | D 3047 |
| CLARKE James | Tullywanacunagh/Dow | Lease of lands | c1845 | T 1161 |
| CLARKE James | Tullywasnacunagh/Dow | Lease of land | c1789 | T 1168 |
| CLARKE John | Newtownbutler / Fer | Will | 1828 - 1837 | T 1632add |
| CLARKE John | Belfast | Copy Will | c1772 | D 1430add |
| CLARKE John Money Lend | Newtownards / Dow | Legal papers | 1877 - 1888 | D 2588 |
| CLARKE John Rev. | Belfast | Copy Will | c1796 | D 1430add |
| CLARKE Jonathan | Enniskillen / Fer | Will | 1831 - 1847 | T 1632add |
| CLARKE R. Mrs | Dunfanaghy / Don | Obituary notices | c1873 | D 3756 |
| CLARKE T. Brooke Rev Dr. | Inishmacsaint / Fer | Misc. corresp. | 1797 - 1824 | D 1108B |
| CLARKE Thomas | Ardress / Arm | Copy Will | c1751 | D 2538 |
| CLARKE Thomas Rev. | Magherahamlet / Dow | Subscription Bk. | 1827 - 1831 | T 2264 |
| CLARKE Walter | Summerhill / Arm | Will | c1719 | D 1382 |
| CLARKE Walter Rev. | Summer Island / Arm | Letters of Admin. | c1822 | D 3047 |
| CLARKE William | Summer Island / Arm | Copy Will | c1798 | D 3047 |
| CLARKE James K. | Magherageery / Dow | Map of farm | c1818 | D 2548 |
| CLARKE John & Co. | Belfast | Liquidation file | 1911 - 1913 | D 1372 |
| CLARKE William Estate | Annasany / Arm | Map | c1794 | T 2431 |
| CLEARKIN Mr. | Larne / Ant | Emig. letter | c1890 | T 2507 |
| CLELAND family | Rathgill / Dow | Title deeds | c1700 - 1940 | D 1494 |
| CLELAND Arthur C.S. | Ballymacreelly / Dow | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Arthur C.S. | Ballymorran / Dow | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Arthur C.S. | Ballystockart / Dow | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Arthur C.S. | Bloomfield / Belfast | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Arthur C.S. | Craigarusky / Dow | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Arthur C.S. | Raleagh / Dow | Rentals etc. | 1897 - 1912 | D 1607add |
| CLELAND Estate | Ballyhalbert / Dow | Title deeds,leases | late18c - 1930s | D 2223add |
| CLELAND Estate | Ballywarren / Dow | Title deeds,leases | late18c - 1930s | D 2223add |
| CLELAND Estate | Clanmaghery / Dow | Title deeds,leases | late18c - 1930s | D 2223add |
| CLELAND Estate | Crossgar / Dow | Title deeds etc. | 1739 - c1934 | D 2223 |
| CLELAND Estate | Crossgar / Dow | Title deeds,leases | late18c - 1930s | D 2223add |
| CLELAND Estate | Downpatrick / Dow | Title deeds etc. | 1739 - c1934 | D 2223 |
| CLELAND Estate | Glenwhirry / Ant | Title deeds, leases | c1846 - c1900 | D 730 |
| CLELAND Estate | Stormont / Dow | Stormont Castle plan | c1860 | D 1684 |
| CLELAND family | Ballyhackamore / Dow | Title deeds etc. | 1752 - 1964 | D 2929 |
| CLELAND family | Ballymacashin / Dow | family corresp. | 1714 - c1950 | T 2717add |
| CLELAND family | Bangor / Dow | family corresp. | 1714 - c1950 | T 2717add |
| CLELAND family | Belfast | Title deeds etc. | 1752 - 1964 | D 2929 |
| CLELAND family | Co Down | Misc. papers | 1798 - 1945 | D 3232 |
| CLELAND family | Co. Down | Gen. notes | from 17c | D 1759 |
| CLELAND family | Co. Roscommon | Gen. notes | c1200 - c1900 | Mic 107 |
| CLELAND family | Co. Tyrone | Gen. notes | c1200 - c1900 | Mic 107 |
| CLELAND family | Dundonald / Dow | Title deeds etc. | 1752 - 1964 | D 2929 |
| CLELAND family | Killinchy / Dow | Title deeds etc. | 1752 - 1964 | D 2929 |
| CLELAND family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| CLELAND family | Killinchy / Dow | Correspondence | 1906 - 1959 | T 1618 |
| CLELAND family | Rubance / Dow | Title deeds, leases | 1858 - 1899 | D 2107add |
| CLELAND Hugh | Killinchy / Dow | Copy will | c1856 | T 1862 |
| CLELAND James | Newtownards / Dow | Will | c1779 | D 730 |
| CLELAND James R. | Rathgael / Dow | Dep. Lieut. appointm | c1832 | D 753 |
| CLELAND John Rev. | Saintfield / Dow | Depositions/battles | c1798 | D 714 |
| CLELAND John Rev. | Co Down | Letter to Downshire | c1798 | D 714/2/24 |
| CLELAND Patrick | Ballygrainey / Dow | Lease of lands | c1740 | D 730 |
| CLELAND Patrick | Ballymagee / Dow | Corn Mill lease | c1763 | D 730 |
| CLELAND Printers | Belfast | photo & papers | 1807, 1850 | T 1785 |
| CLELAND Samuel | Stormont / Dow | Marr. settlement | c1834 | T 2242 |
| CLELAND Samuel | Stormont / Dow | Emig. letter | c1870 | T 1347 |
| CLELAND Thomas Rev. | Fruithill / Arm | Residuary accts. | c1878 | D 776 |
| CLEMENTS family | Clements Hill / Ant | Title deeds, etc | 1606 - 1928 | D 3860 |
| CLEMENTS John Ensign | Col. Michelburne's Regt | Commission | c1694 | D 1097 |
| CLEWLOW family | Killinchy / Dow | Leases | 1738 - 1788 | D 1167 |
| CLEWLOW James Hamilton | Bangor / Dow | Lease of Land | c1788 | D 3093 |
| CLINTON John | Garvagh / Ldy | Will | c1770 | D 2171 |
| CLOGHER Diocese | Legal & admin records | late 18c | D 102/9 | |
| CLOGHER family | Shankill / Ant | Burials | 1858 - 1938 | D 1475 |
| CLOGHER VALLEY RLY | Fivemiletown / Tyr | Photos | c1920s | T 1943 |
| CLOGHER VALLEY TRAMS | Co Tyrone | Misc. papers | late19c - 1945 | D 1024 |
| CLOKEY family | King St. Belfast | Title deeds | 1890 - 1948 | D 3552 |
| CLOKEY W.F. & Co. Ltd. | Belfast | Glass,paint,oil merch | 1890 - 1948 | D 3552 |
| CLONARD PRINT WORKS | Belfast | Ms. Dyeing manual | c1852 | D 771 |
| CLOSE Colonel Estate | Acton / Arm | Map cw Tenants | c1831 | D 670 |
| CLOSE Estate | Brootally / Arm | Maps | c1864 | T 1301 |
| CLOSE Estate | Co Armagh | Irish Land Comm | 1773 - 1922 | D 935 |
| CLOSE family | Co. Armagh | Title deeds, leases | 1720 - 1944 | D 889 |
| CLOSE family | Co. Monaghan | Pedigree | 1290 - 1833 | T 2551 |
| CLOSE family | Co. Monaghan | Pedigree | 1057 - 1915 | T 2699 |
| CLOSE family | Drumbanagher / Arm | Pedigree | 1057 - 1915 | T 2699 |
| CLOSE family | Drumbanagher / Arm | Pedigree | 1290 - 1833 | T 2551 |
| CLOSE family | Lisburn / Ant | Pedigree | 1290 - 1833 | T 2551 |
| CLOSE family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| CLOSE Samuel Estate | Rathfriland / Dow | Map | c1723 | D 670 |
| CLOTHWORKERS Co. | Coleraine / Ant | Legal papers | c1790 - c1920 | D 1514 |
| CLOTHWORKERS Estate | Coleraine / Ldy | min. bks. etc | 1609 - 1871 | Mic 146 |
| CLOTWORTHY Estate | Co. Londonderry | Rent roll | c1698 - 1821 | D 3167/A |
| CLOTWORTHY Estate | Upton / Ant | Rent roll | c1698 - 1821 | D 3167/A |
| CLOTWORTHY John Sir | Co. Antrim | Grant/rectorial tithes | c1639 | D 3697 |
| CLOTWORTHY Mary | Moneymore / Ldy | Copy Will | c1682 | D 3078 |
| CLOW William M. | Portadown / Arm | Election address | c1910 | T 2870 |
| CLUFF family | Kildress / Tyr | Pedigree | 1669 - c1970 | D 3614 |
| CLUFF family | Kildress / Tyr | I.L.C. papers | 1824 - 1938 | D 3614 |
| CLUFF James | Kildress / Tyr | Map | c1851 | D 3614 |
| CLUGSTON W. A. MD | Ballyclare / Ant | Illuminated address | 1877 - 1882 | D 3248 |
| CLUGSTON Samuel | Antrim / Ant | Apprent. Indent. | c1826 | T 3028 |
| CLUGSTON William | Belfast | Test. papers | 1931 - 1932 | D 2233 |
| Co ARMAGH ADVERTISER | Armagh / Arm | 1919 - 1920 | N5/1 add | |
| CO. ARMAGH ADVERTISER | Co Armagh | 4 volumes | 1916 - 1918 | N5/1 |
| COALISLAND Pipe & Clay Co | Coalisland / Tyr | Business papers | 1949 - 1957 | D 1706 |
| COALISLAND Weaving Co. | Coalisland / Tyr | Accts. etc. | 1906 - 1943 | D 1734 |
| COATES family | Ballycastle / Ant | Leases etc. | 1831 - 1933 | D 2489add |
| COATES family | Belfast | Leases etc. | 1831 - 1933 | D 2489add |
| COATES family | Carrickfergus / Ant | Leases etc. | late17c - 18c | D 2489add |
| COATES Adam | Seymour Hill / Ant | Fee farm grant | c1855 | T 1152 |
| COATES family | Belfast | Title deeds | 1797 - 1911 | T 2126 |
| COATES family | Belfast | Gen. notes | 1849 - 1936 | D 1210 |
| COATES family | Carrickfergus / Ant | Gen. notes | 1803 - 1861 | T 3008 |
| COATES family | Lagan Valley / Dow | Gen. notes | D 3000/136 | |
| COATES family | Malone Lower / Ant | Title deeds | 1797 - 1911 | T 2126 |
| COATES family | Staffordstown / Meath | Test. papers | from mid 19c | T 2201 |
| COATES John | Derryaghy / Ant | Cert. Lodge 13 Black | c1850 | T 3653 |
| COATES Victor & Co. Ltd | Belfast | Order books | 1893 - 1899 | Mic 163 |
| COCHRAN family | Tromaty / Don | Test, papers etc. | 1856 - 1942 | D 2587 |
| COCHRAN John 89th Reg. | Aghadowey / Ldy | Letters | c1846 | T 2011 |
| COCHRAN Joseph | Quilley / Ldy | Will | c1796 | T 1727 |
| COCHRAN/E Estate | Edenmore / Don | Map | 1856 - 1919 | D 2298add |
| COCHRAN/E Estate | Rooskey / Don | Map | 1856 - 1919 | D 2298add |
| COCHRAN/E Estate | Treanamullin / Don | Map | 1856 - 1919 | D 2298add |
| COCHRANE A.A. Admiral | Corresp. | 1841 - 1905 | D 2958add | |
| COCHRANE Estate | Co. Donegal | Pedigree | 1690 - 1917 | T 2363 |
| COCHRANE family | Buncrana / Don | Misc. papers | 1783 - 1957 | D 2958add |
| COCHRANE family | Co. Armagh | Title deeds, leases | 1720 - 1944 | D 889 |
| COCHRANE family | Edenmore / Don | Gen. notes | 1708 - c1811 | T 2363 |
| COCHRANE family | Mintiaghs / Don | Misc. papers | 1783 - 1957 | D 2958add |
| COCHRANE family | Mintiaghs / Don | Rentals / accts. | 1879 - 1902 | D 2958 |
| COCHRANE family | Redcastle / Don | Misc. papers | 1783 - 1957 | D 2958add |
| COCHRANE family | Redcastle / Don | Estate/family papers | 1798 - 1955 | D 2958add |
| COCHRANE family | Redcastle / Don | Estate/pers. papers | c1820 - c1960 | D 2958add |
| COCHRANE family | Redcastle / Don | Estate/pers. papers | c1830 - c1910 | D 2958 |
| COCHRANE family | Redcastle / Don | Misc. papers | c1850 - 1950 | D 2958add |
| COCHRANE James | Co Down | Deposition | c1798 | D 714/3/33 |
| COCHRANE Ernest Capt/Hon | HMS Petrel | Navigation notes | 1868 - 1870 | D 2958add |
| COCHRANE family | Buncrana / Don | Misc. papers | c1850 - 1950 | D 2958add |
| COCHRANE family | Carrowblagh / Dow | Lease | c1824 | D 2958add |
| COCKBURN family | Ireland | Gen. notes | c1800 | Mic 65 |
| COCKRANE family | Quoile / Dow | Title deeds etc. | 1827 - 1899 | D 709 |
| CODDINGTON family | Monaghan / Mon | Estate/per. papers | 1703 -1778 | T 2519/12 |
| COEY Archibald | Ballyhone / Ant | Copy Will & Probate | c1895 | D 2233 |
| COEY Edward Sir | Belfast | Misc. papers | 1844 - 1953 | D 2926 |
| COEY family | Ballyhone / Ant | Test. papers | c1895 | D 2233 |
| COEY family | Larne / Ant | Lease corresp. | 19c - 20c | D 971 |
| COEY Property Ashfield | Dromore / Dow | Acct. book | 1920 - 1932 | D 2926 |
| COFFEY Andrew | Killyleagh / Dow | Release of lands | c1808 | D 776 |
| COFFEY family | Donaghadee / Dow | Gen. notes, etc | 1871 - 1874 | T 1354 |
| COGGREY Linen Mill | Doagh / Ant | Business papers | c1900 - 1957 | D 1221 |
| COLE Elizabeth | Derryloran / Tyr | m.s. John Kennedy | c1774 | D 686 |
| COLE family | Beltrim Castle / Tyr | Pedigree | c1750 - c1919 | T 3625 |
| COLE family | Enniskillen / Fer | Gen. notes | 17c - c1890 | T 2934 |
| COLE family | Florencecourt / Fer | Title deeds etc. | 1669 - 1867 | D 3053 |
| COLE John | Co Monaghan | m. Florence Wray | c1728 | D 3053 |
| COLE Letitia Miss | Strabane / Tyr | Letters | 1808 - 1844 | T 3625 |
| COLE William | Enniskillen / Fer | Letters patent fairs | c1612 | T 2483 |
| COLE William | Muff, Eglington / Ldy | Emig. letter | 22 May 1841 | D 3227 |
| COLE John Jnr | Co Monaghan | m. Eliz. Willoughby | c1728 | D 3053 |
| COLE John Willoughby Earl | Enniskillen / Fer | Grants | c1813 | T 2483 |
| COLE-BAKER family | Ballydavid / Tipp | Typed history | c1800 - c1950 | T 2848 |
| COLE-HAMILTON Estate | Co. Fermanagh | Rentals | 1757 - 1957 | D 1939add |
| COLE-HAMILTON Mrs. Hon. | Beltrim / Tyr | Map | c1830 | T 3156 |
| COLEMAN family | Ballysally / Ldy | Title deeds, etc | 1860 - 1883 | D 2587 |
| COLEMAN family | Belfast | Title deeds | 1753 - 1948 | D 1156 |
| COLEMAN family | Belfast | Gen. notes | 1801 - 1959 | D 1751 |
| COLEMAN family | Lifford / Don | Pedigree | c1786 | T 2430 |
| COLEMAN Philip | Armagh | Apprent. Indent. | c1880 | T 2530 |
| COLEMAN Robert | Lurgan / Arm | Funeral account | c1890 | T 2530 |
| COLHOUN Estate | Corncamble / Don | Legal papers | c1850 | D 2298 |
| COLHOUN Estate | Strabane / Tyr | Copy Will | c1755 | D 2298 |
| COLHOUN Andrew | Leck / Don | Letter from USA | c1830 | T 1466 |
| COLHOUN William | Leck / Don | Emig. letter | c1830 | T 2046 |
| COLLEN Bros. Ltd | Portadown / Arm | Title deeds etc. | 1894 - 1944 | D 2562 |
| COLLINS family | Portadown / Arm | Emig. letter | 1849 - 1853 | T 2834 |
| COLLINS J. Henry | Newry / Dow | Corresp. etc | 1921 - 1926 | D 921 |
| COLLUM Estate | Belview / Fer | Title deeds | c1866 | D 1390 |
| COLLUM Estate | Enniskillen / Fer | Deed of partition | c1862 | T 1849 |
| COLLUM family | Belview / Fer | Legal papers | 1756 - 1940 | D 1096 |
| COLLUM family | Castlecoole / Fer | Copy deed | c1862 | T 2924 |
| COLLUM family | Enniskillen / Fer | Title deeds etc. | 1828 - 1873 | D 1024 |
| COLLUM family | Omagh / Tyr | Title deeds etc. | 1828 - 1873 | D 1024 |
| COLLUM Hugh | Tonystick / Fer | Lease | c1834 | T 2947 |
| COLLYER Isaac Rev. | Lifford / Don | Land assignment | c1700 | T 1963 |
| COLONIAL OFFICE | Dublin Castle | Sercet Police records | 1798 - 1867 | Mic 448 |
| COLQUHOUN John | Stabane / Tyr | Money lender/agent | 1872 - 1886 | D 3608 |
| COLQUHOUN Mrs. Estate | Strabane / Tyr | Title deeds | from 19c | D 2298 |
| COLVILL Alexander | Tuogh of the Brade/Ant | Mortgage / lands | c1638 | T 1289 |
| COLVILL Robert | Galgorm / Ant | Conveyance / lands | c1667 | D 774 |
| COLVILL Robert Estate | Galgorm / Ant | Maps | c1720 | D 1009 |
| COLVILL Robert Estate | Glenwhirry / Ant | Maps | c1720 | D 1009 |
| COLVILL Robert Estate | Kells / Ant | Maps | c1720 | D 1009 |
| COLVILL Robert Sir | Galgorm / Ant | Lease at Carrickferg | c1685 | T 2014 |
| COLVILLE Estate | Newtownards / Dow | Town plan | c1720 | D 952 |
| COLVILLE family | Ahoghill / Ant | Ahoghill history | 12c - 1901 | T 3191 |
| COLVILLE family | Dromore / Dow | Inventory of debts | c1738 | T 2544 |
| COLVILLE Robert | Galgorm / Ant | Conveyance / lands | c1667 | D 896 |
| COLVILLE Robert Estate | Comber / Dow | Maps, surveys | c1722 | T 2452 |
| COLVILLE Robert Estate | Greyabbey / Dow | Maps, surveys | c1722 | T 2452 |
| COLVILLE Robert Estate | Newtownards / Dow | Maps, surveys | c1722 | T 2452 |
| COLVILLE John Newell | Windsor Ward / Belfast | Letter to electors | c1900 | D 2784add |
| COLVIN family | Hilltown / Dow | Gen. notes | from 17c | D 2318 |
| COMAN/COLEMAN family | Ballysculty / Ant | Pedigrees | 1771 - 1981 | T 3646 |
| COMAN/COLEMAN family | Ballytweedy / Ant | Pedigrees | 1771 - 1981 | T 3646 |
| COMAN/COLEMAN family | Carmavy / Ant | Pedigrees | 1771 - 1981 | T 3646 |
| COMBE family | Belfast | Title deeds etc. | 1859 - 1924 | D 2489add |
| COMBE family | Donaghadee / Dow | Title deeds etc. | 1859 - 1924 | D 2489add |
| COMBE family | Donaghcloney / Dow | Title deeds | 1854 - 1935 | D 2489 |
| COMBE James | Belfast | Comms. of Peace | 1869 - 1870 | D 1756 |
| COMBER TRAMWAY Co. | Comber / Dow | Requisition/lands | c1883 | T 1266 |
| COMBER DISTILLERY Co. | Comber / Dow | Business papers | c1870 - 1950 | D 1808 |
| COMESKY James | Monaghan / Mon | Copy Will | c1803 | Mic 426 |
| COMIN John Rev. | Antrim / Ant | Typed notes | 1815 - 1887 | T 3652 |
| CONLON family | Clontylew / Arm | Leases etc. | 1839 - 1895 | D 2967 |
| CONLON John & Patrick | Friar's Bush Belfast | Photo caretaker | c1900 | T 3697 |
| CONN family | Downpatrick / Dow | Test. papers, corresp | 1850 - 1884 | D 738 |
| CONNELL Henry Solicitor | Limavady / Ldy | 54 vols. Solic. letters | 1904 - 1926 | D 1090 |
| CONNELLAN Joseph MP | Newry / Dow | Misc. papers | 1949 - 1967 | D 2355 |
| CONNER family | Kilhoyle / Ldy | Census extract | c1851 | D 872 |
| CONNOLLY family | Raphoe / Don | Leases etc. | 1818 - 1849 | D 2413 |
| CONNOLLY Thomas | Ballyshannon / Don | Agency acct. | c1850 | D 3451 |
| CONNOLLY William | Newhall / Ldy | Lease / Clagan | c1700 | T 1637 |
| CONNOR David | Ballinderry / Ant | Assignment lands | c1835 | T 2122 |
| CONNOR Elizabeth | Belfast | Lease / Rosemary St | c1854 | T 1194 |
| CONNOR Estate | Cultra / Dow | Rental maps etc. | c1884 | D 3145add |
| CONNOR family | Coleraine / Ldy | Test. papers | 1837 - 1936 | D 992 |
| CONNOR family | Magheragall / Ant | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| CONNOR Francis Grocer | Newry / Dow | Ledger cash bks. | 1815 - 1879 | D 3483 |
| CONNOR James | Belfast | Estate papers | 1877 - 1879 | D 3145add |
| CONNOR S. & Sons Ltd. | Newry / Dow | Chemist's papers | 1894 - 1931 | D 1281add |
| CONNOR Thomas | Loughrelisker / Ant | Assignment lands | c1835 | T 2122 |
| CONNOR & SONS Chemists | Newry / Dow | Perscriptions bks. | 1860 - 1922 | D 1281 |
| CONOLLY Estate | Limavady / Ldy | Rentals etc. | 1612 - 1802 | D 2094 |
| CONOLLY family | Ballyshannon / Don | Gen. notes | 1296 - c1963 | D 2081 |
| CONOLLY family | Castlefin / Don | Deeds | 1699 - 1748 | Mic 244add |
| CONOLLY family | Castletown / Kildare | Letters etc. | 1715 - 1729 | T2825 |
| CONOLLY family | Castletown / Kildare | Letters etc. | 1715 - 1729 | Mic 244 |
| CONOLLY family | Limavady / Ldy | Rentals | 1724 - 1801 | Mic 244add |
| CONOLLY Thomas | Castletown / Kildare | Conveyance | c1858 | D 2641 |
| CONOLLY Thomas | Newporton / Fer | Rent accts. | c1744 | D 2094 |
| CONOLLY William | Newhall / Ldy | Lease | c 1713 | T 2042 |
| CONRAY James | Downpatrick / Dow | Will | c1884 | D 738 |
| CONVERY John | Bracaghreilly / Ldy | Turbary rights | c1929 | D 2513 |
| CONVICTS Male | Ireland | Index - SW Austral | 1830 - 1842 | Mic 468 |
| CONVICTS Male | Ireland | Index - W Austral | 1850 - 1868 | Mic 468 |
| CONWAY Thomas | Ballyknock / Dow | Arrest warrant | c1864 | D 944 |
| CONYNGHAM Dickson | Killymassery / Don | Mortgage | c1788 | D 2840 |
| CONYNGHAM family | Belfast | Title deeds / leases | 1738 - 1789 | Mic 245 |
| CONYNGHAM family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| CONYNGHAM W.B. Colonel | Killybegs / Don | Improvements | Aug 1786 | T 3558 |
| CONYNGHAM W.B. Colonel | Rosses / Don | Improvements | Aug 1786 | T 3558 |
| COOK family | Ballydonnellan / Ldy | Gen. notes | 17c - c1840 | D 2976 |
| COOK family | Cookstown / Tyr | Gen. notes | 17c - c1840 | D 2976 |
| COOK Mary Mrs. | Dublin | Will | c1812 | D 1939 |
| COOK Mr. | Preston / Lancs | Diary / Newry | 1839 - 1841 | D 2355 |
| COOKE Allen | Cookstown / Tyr | Market patent | c1628 | D 2658add |
| COOKE David | Eskeradooey / Tyr | Emig. letters | 1824 - 1830 | T 3592 |
| COOKE family | Enniskillen / Fer | Pedigree | 17c - 19c | T 1185 |
| COOKE family | Londonderry | Shipping/family docs | c1830 - c1890 | D 2892add |
| COOKE family | Waterford | Gen. notes | c1641 - c1948 | D 2228 |
| COOKE J & J | Londonderry | Hardware Shop | 1841 - 1862 | D 2191 |
| COOKE J. & J. Shipping Ag. | Londonderry | Passenger lists | 1847 - 1871 | D 2892 |
| COOKE John | Londonderry / Ldy | Shipping agent docs | 1837 - 1847 | Mic 112 |
| COOPER John Asst. Surgeon | Aghnahoo / Tyr | Copy Will | c1794 | T 2439 |
| COOPER Thomas | Leitrim / Tyr | Grant | c1620 | T 1302 |
| CO-OPER. AGR. SOC. Ltd | Pomeroy / Tyr | Business papers | 1906 - 1908 | D 1132 |
| COOTE family | Bellamount Forest / Cav | Gen. notes | 1662 - 1919 | T 2819 |
| COOTE family Estate | Co. Cavan | Title deeds etc. | 1880 - 1906 | D 3406add |
| COOTE family Estate | Co. Monaghan | Title deeds etc. | 1880 - 1906 | D 3406add |
| COPE family | Drumilly / Arm | Family papers | 1812 - 1856 | D 1209 |
| COPE Anna | Annaghmore / Arm | Estate maps | c1852 | T 1512 |
| COPE Anthony Dean | Loughgall / Arm | Estate, Test. papers | c1848 | T 2701add |
| COPE Arthur | Drumilly / Arm | Election legal papers | c1768 | T 1395 |
| COPE Arthur | Loughgall / Arm | Copy Will & Probat | c1791 | T 2701add |
| COPE Estate | Annacramph / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Ardrea / Arm | Maps | 1854 - 1884 | T 1395 |
| COPE Estate | Ballymagerny / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Ballynick / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Castleraw / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Causanagh / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Co Armagh | Irish Land Comm | 1773 - 1922 | D 935 |
| COPE Estate | Creenagh / Arm | Map | c1853 | D 999 |
| COPE Estate | Derrycrew / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Derryloughan / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Drumalaragh / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Drumcrow / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Drumhariff / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Drumilly / Arm | Maps | 1854 - 1884 | T 1395 |
| COPE Estate | Grange Lower / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Grange Upper / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Greenan / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Kincon / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Lisneary / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Loughgall / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Maghnavey / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Tullyherron / Arm | Map | 1834 - 1890 | D 2415 |
| COPE Estate | Tullymore / Arm | Map | 1834 - 1890 | D 2415 |
| COPE family | Drumilly / Arm | Pedigree | 1415 - 1827 | D 999 |
| COPE family | Loughgall / Arm | Estate, Test. papers | 1629 - 1795 | T 2701add |
| COPE family Estate | Drumilly / Arm | Estate papers | 1629 - 1920 | D 1345 |
| COPE family Estate | Drumilly / Arm | Test. papers | 1687 - 1821 | T 1395 |
| COPE Robert | Loughgall / Arm | Copy Will | c1848 | T 2701add |
| COPE Thomas | Drumilly / Arm | Personal diary | c1880 | D 999 |
| COPE Samuel Walter | Newry / Dow | Title deeds | 1819, 1822 | D 2637 |
| COPE Samuel Walter | Portadown / Arm | Title deeds | 1819, 1822 | D 2637 |
| COPE Samuel Walter | Richhill / Arm | Title deeds | 1819, 1822 | D 2637 |
| COPELAND family | Annamakeown / Dow | Title deeds | c1800 - 1850 | D 2426 |
| CORBITT Robert Swan | Lisncreevy / Dow | Wills & Probate | c1918 | T 3651 |
| CORDUKES Jonathan | Belfast | Notice/Const. Club | c1832 | D 861 |
| CORDUKES Jonathan | Belfast | Political squibs | c1832 | D 923 |
| CORDUKES Jonathan | Belfast | Leases | 1855 - 1857 | D 2045 |
| CORKEN family | Lisburn / Ant | Misc. papers | 1800 - 1873 | D 2269 |
| CORKEN John | Magherclave / Ant | m. Maria Cupples | c1819 | D 2099 |
| CORKEY Robert Prof. V. Rev | Belfast | Misc. papers | 1901 - 1965 | D 3883 |
| CORMIER Daniel | Lisburn / Ant | Letters, bus. papers | 1733 - 1739 | Mic 321add |
| CORNEILLE family | Co. Meath | Title deeds, leases | 1713 - c1830 | D 2489 |
| CORR family | Middletown / Arm | Tenancy agree's | 1879 - 1906 | D 3619 |
| CORR family | Tullybrickhamilton / Arm | Tenancy agree's | 1879 - 1906 | D 3619 |
| CORRY family | Banbridge / Dow | Gen. notes | c1700 - c1850 | D 1109 |
| CORRY family | Belfast | Business/personal | c1724 - 1956 | D 3051add |
| CORRY family | Castle Coole / Fer | Maps | 1718 - c1740 | T 3027 |
| CORRY family | Co. Down | Pedigree | c1975 | D 3051 |
| CORRY family | Derryvally / Mon | Map | c1837 | D 873 |
| CORRY family | Moville / Don | Gen. notes | 1804 - 1850 | T 1823 |
| CORRY family | Moville / Don | Gen. notes | 1804 - 1850 | T 1823 |
| CORRY family | Newry / Dow | Pedigrees | 1672 - 1887 | T 1345 |
| CORRY family | Newry / Dow | Gen. notes | 1712 - 1906 | T 3036 |
| CORRY family | Newry / Dow | Private letter book | 1812 - 1835 | D 908 |
| CORRY family | Newry / Dow | Title deeds etc. | 1815 - 1843 | D 2965add |
| CORRY family | Newry / Dow | P. Keenan notes | c1950 | D 2355 |
| CORRY family | Newry / Dow | Gen. notes | early18c - 1849 | D 3000/101 |
| CORRY family | Rockcorry / Mon | Pedigrees | 1672 - 1887 | T 1345 |
| CORRY family | Rockcorry / Mon | Gen. notes | 1712 - 1906 | T 3036 |
| CORRY family | Rostrevor / Dow | Title deeds etc. | 1815 - 1843 | D 2965add |
| CORRY John | Derryvally / Mon | Lease of lands | c1837 | D 873 |
| CORRY Stitching Factory | Newtownards / Dow | Business papers | 1910 - 1956 | D 1965 |
| CORRY family Belmore Estate | Beagh / Tyr | Rentals | c1902 | D 3007add |
| CORRY family Belmore Estate | Legacurry / Tyr | Rentals | c1902 | D 3007add |
| CORRY family Belmore Estate | Letfern / Tyr | Rentals | c1902 | D 3007add |
| CORSCADDEN family | Irvinestown / Fer | Gen. notes | c1650 - c1950 | D 2022 |
| CORSCADDEN family | Manorhamilton / Leit | Gen. notes | c1650 - c1950 | D 2022 |
| COSBIE Sawmill | Ballymena / Ant | Business papers | 1881 - 1908 | D 1931 |
| COSBY family | Annahilt / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COSBY family | Dromore / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COSBY family | Killinchy / Dow | Gen. notes | 17c - c1890 | T 2771add |
| COSGRAVE family | Newry / Dow | Title deeds | 1805 - 1920 | T 1510 |
| COULSON Damask Co. | Lisburn / Ant | Weaver's Books etc | 1834 - 1887 | Mic 20 |
| COULSON family | Lisnashillida / Fer | Title deeds,leases | 1789 - 1873 | D 3752 |
| COULSON William & Son | Lisburn / Ant | Business records | 1898 - 1911 | D 3339 |
| COULTER Andrew | Creggan / Arm | Cert. copy Will | c1801 | T 3692 |
| COULTER family | Killinchy / Dow | Pres. exts. baps/marr | 1835 - 1859 | T 1540 |
| COULTER Robert | Belfast | Membership UVF | c1922 | D 1207 |
| COURTENAY family | Grange / Ant | Gen. notes | 17c - 19c | T 1228 |
| COURTENAY James | Portglenone / Ant | Scutch Mill accts. | c1860 - 1890 | D 2307 |
| COURTNEY Charles Server Rev | Knockbarragh / Dow | Encumbered sale | 29 May 1857 | D 1201/22/13 |
| COURTNEY family | Benburb / Tyr | Dom. rent & accts | 1776 - 1845 | D 1179 |
| COURTNEY family | Grange / Ant | Pedigree | 17c - 1980 | D 3000/63 |
| COURTNEY family | Grange / Ant | Gen. notes, pedigree | c1600 - c1960 | T 2777add |
| COURTNEY family | Lebanon St. Belfast | Title deeds, sale | 1880 - 1946 | D 2233 |
| COURTNEY family | Newry / Dow | Title deeds etc. | c1810 | D 2965add |
| COURTNEY family | Randalstown / Ant | Pedigree | 17c - 1980 | D 3000/63 |
| COURTNEY family | Templepatrick / Ant | Gen. notes | c1800 - 1959 | T 2021 |
| COURTNEY Harold | Belfast Prison | Execution | 1933 | D 1523 |
| COURTNEY John | Mill St. Newry / Dow | Encumbered sale | 5 June 1856 | D 1201/22/23 |
| COURTNEY J. & Co. Ltd | Cookstown / Tyr | Bacon curer / records | 1938 - 1980 | D 3509 |
| COUSER William | Armagh City | Printed rentals | 1899 - 1900 | D 2671 |
| COUSER family | Armagh | Title deeds | c1850 - c1920 | D 1522 |
| COUSER family | Armagh / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Artasooly / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Ballynahone Beg / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Drumarg / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Edenderry / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Lisdrumbrughas / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family | Tullyvallan / Arm | Sale rentals | 1899 - 1906 | D 958 |
| COUSER family Grocers | Armagh / Arm | Accts. etc. | 1832 - 1883 | D 772 |
| COUSINS family | Cornascreeb / Arm | Abstract of leases | c1726 | D 763 |
| COUSINS Robert | Annalong / Dow | Sale of Ship | c1910 | T 2847 |
| COUSINS William D | Limavady / Ldy | Career notes | 1905 - 1958 | D 2217 |
| COUSINS James H.S. Poet | Limavady / Ldy | Career notes | 1873 - 1956 | D 2217 |
| COVENANT The Ulster | Belfast | Signatures | c1912 | D 1098 |
| COWAN Andrew | Ballintagh / Dow | Copy Will | c1829 | D 3668add |
| COWAN Andrew | Carnew / Dow | Judicial rents, maps | c1878 | D 3669add |
| COWAN Andrew | Lisnacroppan / Dow | Judicial rents, maps | c1878 | D 3669add |
| COWAN Andrew | Lisnavaghrog / Dow | Judicial rents, maps | c1878 | D 3669add |
| COWAN Andrew Estate | Carnew / Dow | Letter book | 1858 - 1860 | D 1413 |
| COWAN David | Rasharkin / Ant | Copy Will | c1768 | D 3104 |
| COWAN E. P. | Cluntagh / Dow | Map | c1876 | D 1395 |
| COWAN family | Ballylintagh / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COWAN family | Ballylisbredan / Dow | Title deeds,leases | 1808 - 1874 | D 3791 |
| COWAN family | Banbridge / Dow | Gen. notes | from c1750 | T 1858 |
| COWAN family | Carnew / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COWAN family | Carrickfergus / Ant | Title deeds etc | 1818 - 1910 | D 3855 |
| COWAN family | Cloughfern / Ant | Title deeds etc | 1818 - 1910 | D 3855 |
| COWAN family | Cloughfern / Ant | Test. papers | 1915 - 1916 | D 730 |
| COWAN family | Co. Down | Will Extracts | D 1759 | |
| COWAN family | Kinallen / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COWAN family | Liscolman / Ant | Title deeds etc | 1818 - 1910 | D 3855 |
| COWAN family | Newry / Dow | Gen. notes | 1655 - 1948 | T 1766 |
| COWAN family | Racavan / Ant | Title deeds | 1763 - 1881 | D 1266 |
| COWAN family | Racavan / Ant | Gen. notes | from c1750 | T 1858 |
| COWAN family | Sheeptown / Dow | Gen. notes | 1641 - 1982 | D 3668add |
| COWAN family | Straidbilly / Ant | Title deeds etc | 1818 - 1910 | D 3855 |
| COWAN family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| COWAN James | Ballintagh / Dow | Notes on Will | c1811 | D 3668add |
| COWAN James | Carrickfergus / Ant | Probated Will | c1851 | D 3855 |
| COWAN James | Kilcreen / Ant | Will | c1768 | D 3104 |
| COWAN P. Miss | Lectures | c1936 | T 2207 | |
| COWAN Robert | Fofanny / Dow | Emig. letter | 1855 - 1868 | T 3619 |
| COWAN Samuel | Ballintagh / Dow | Copy Will, Probate | c1825 | D 3668add |
| COWAN Isaac Corry | Cowan St. Newry | Map | c1851 | T 2821 |
| COWAN Jane | Portaferry / Dow | Copy Will | c1812 | D 552 |
| COWAN John Estate | Ballydawley / Ldy | Title deeds | 1810 - 1904 | T 2266 |
| COWDY family | Banbridge / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| COWDY family | Taughlummy / Dow | Title deeds etc. | 1681 - 1851 | T 2634 |
| COX Albert W. | Belfast | RIC Travel pass | c1916 | D 3111 |
| COX family | Dunmanway / Cork | Gen. table | 1537 - 1977 | D 3000/34 |
| COYNE Edward | Clontyclay / Arm | Conveyance | c1806 | D 1806 |
| COYNE John Very Rev. PP | Dundalk / Louth | Obituary notice | c1848 | D 1806 |
| COYNE Nicholas | Drumlumman / Cav | Maps | 1759 - 1760 | D 2784/2 |
| CRAIG Estate | Downpatrick / Dow | Rentals etc. | late18c - late19c | D 2223add |
| CRAIG Estate | Strangford / Dow | Rentals etc. | late18c - late19c | D 2223add |
| CRAIG A. Rev. | Lisburn / Ant | Autobiography | 1754 - 1787 | T 2757 |
| CRAIG Andrew Rev. | Lisburn / Ant | Misc. corresp. | 1811 - 1815 | T 1475 |
| CRAIG David | Coolmillish / Arm | Survey, farm map | c1826 | D 1606add |
| CRAIG family | Ballyrickardmore / Ant | I.L.C. papers | 1826 - 1913 | D 3720 |
| CRAIG family | Ballyrickardmore / Ant | Misc. papers | 1884 - 1893 | D 3720add |
| CRAIG family | Beltoy / Ant | I.L.C. papers | 1826 - 1913 | D 3720 |
| CRAIG family | Beltoy,Raloo / Ant | Misc. papers | 1884 - 1893 | D 3720add |
| CRAIG family | Carrickfergus / Ant | Legal papers | 1674 - c11930 | D 2489add |
| CRAIG family | Dehommed / Dow | Gen. notes | from early 18c | D 2778add |
| CRAIG family | Fearn / Don | Copy Title deeds | 1761 - c1920 | D 2649 |
| CRAIG family | Lisburn / Ant | Gen. notes | 1730 - 1924 | T 1481 |
| CRAIG family | Lisburn / Ant | Family corresp. | 1805 - 1811 | T 2757 |
| CRAIG family | Lisburn / Ant | Gen. notes | from early 18c | D 2778add |
| CRAIG family | Raloo / Ant | I.L.C. papers | 1826 - 1913 | D 3720 |
| CRAIG family | Stabane / Tyr | Title deeds | c1776 - 1947 | D 2609 |
| CRAIG J. H. Cinema Man. | Belfast | Pers/business docs | from 1926 | D 3413add |
| CRAIG James | Carrickfergus / Ant | Copy Will | c1793 | D 2489add |
| CRAIG James | Carrickfergus / Ant | Conveyance/ Layd | c1835 | T 1331 |
| CRAIG James | Monree / Dow | Lease | c1699 | T 2441 |
| CRAIG Rachel | Lisburn / Ant | Journal | c1810 - 1823 | T 2757 |
| CRAIG Rowland | Downpatrick / Dow | Horse Breeders | c1833 | D 1263 |
| CRAIG Sarah | Carnearny / Ant | Lease | c1858 | D 3633 |
| CRAIG Thomas | Keady / Arm | Copy Will | c1843 | Mic 446 |
| CRAIGAVON Lord | 102 vols of papers | 1903 - 1941 | D 1415 | |
| CRAIGAVON Lord | Letters | 1923 - 1940 | T 1908 | |
| CRAIGMONAGHAN family | Co. Tyrone | Pedigree | 18c - 20c | T 2747 |
| CRAIGMONAGHAN family | Rademon / Dow | Pedigree | 18c - 20c | T 2747 |
| CRAIGMORE Spinning Co | Bessbrook / Arm | Business records | c1870 - c1970 | D 1133add |
| CRAIN family | Trillick / Tyr | Gen. notes | 19c - c1980 | D 3000/124 |
| CRANBROOK Earl | ? | Career press cuttings | 1878 - 1903 | D 1511 |
| CRANE Martha Mrs ( Poots) | Armagh | Corresp. | 1907 - 1961 | D 2488 |
| CRANE Martha Mrs ( Poots) | Dromore / Dow | Corresp. | 1907 - 1961 | D 2488 |
| CRANGLE Richard | Probate | c1845 | D 552 | |
| CRANSHAW Henry Grocer | Keady / Arm | Acct. book | 1923 - 1930 | D 1524add |
| CRATELY COAL Co. Ltd | Stewartstown / Tyr | Accts / Photos | c1935 - 1936 | D 1678add |
| CRATLY COAL Co. | Stewartstown / Tyr | Accts. etc. | 1933 - 1939 | D 1678 |
| CRAWFORD family | Cronalaghy / Don | Test. papers,deeds | 1914 - 1940 | D 2298add |
| CRAWFORD A. J. | Derrynoose / Arm | Title deeds, leases | 1821 - 1885 | D 3805 |
| CRAWFORD A. J. | Lislea / Arm | Title deeds, leases | 1821 - 1885 | D 3805 |
| CRAWFORD A. J. | Roughan / Arm | Title deeds, leases | 1821 - 1885 | D 3805 |
| CRAWFORD A. J. | Tivernacree / Arm | Title deeds, leases | 1821 - 1885 | D 3805 |
| CRAWFORD Alexander Rev. | Randalstown / Ant | Diaries etc. | 1836 - 1852 | D 2003 |
| CRAWFORD Brice | Limavady / Ldy | Copy case Will | c1812 | T 1559 |
| CRAWFORD family | Ballyarnet / Ldy | Gen. notes | 1653 - 1810 | T 2533 |
| CRAWFORD family | Ballymena / Ant | Emig. letter | 1860 - 1887 | D 1986add |
| CRAWFORD family | Banbridge / Dow | Gen. notes | 1715 - 1916 | D 3544 |
| CRAWFORD family | Banbridge / Dow | Gen. notes | c1800 - 1958 | T 1570 |
| CRAWFORD family | Belfast | Press cuttings | 1893 - 1927 | T 3096 |
| CRAWFORD family | Castledawson / Ldy | Title deeds | 1712 - 1896 | D 2592 |
| CRAWFORD family | Co. Antrim | Misc. papers | c1870 - c1900 | D 2460add |
| CRAWFORD family | Co. Down | Misc. papers | c1870 - c1900 | D 2460add |
| CRAWFORD family | Co. Monaghan | Pedigree | 1698 - 1930 | T 1283 |
| CRAWFORD family | Craghan / Fer | Deeds | c1827 | T 2947 |
| CRAWFORD family | Craigavad / Dow | Photo album | c1860 - 1984 | D 2460add |
| CRAWFORD family | Craigavad / Dow | Photos | c1885 - 1942 | D 2460 |
| CRAWFORD family | Crawfordsburn / Dow | Gen. notes in Bible | 1743 - 1833 | T 2390 |
| CRAWFORD family | Crawfordsburn / Dow | Pedigree | c1670 - c1950 | T 2715 |
| CRAWFORD family | Crawfordsburn / Dow | Gen. notes | c1720 - c1900 | D 3000/90 |
| CRAWFORD family | Crumlin / Ant | Gen. notes | c1776 | D 1692 |
| CRAWFORD family | Derryhurdan / Fer | Deeds | c1827 | T 2947 |
| CRAWFORD family | Gortnessan / Fer | Deeds | c1827 | T 2947 |
| CRAWFORD family | Raloo / Ant | Gen. notes | c1600 - 1870 | D 3000/58 |
| CRAWFORD family | Warrenpoint / Dow | Hardware Cash Bks | 1884 - 1896 | D 918 |
| CRAWFORD family | York St./Trafalgar St. Bel | Title deeds, leases | 1878 - 1908 | D 3480 |
| CRAWFORD Fred. Col. | Larne / Ant | UVF Gun Runner | c1914 | D 640 |
| CRAWFORD James | Enniskillen / Fer | Probate of Will | c1754 | D 3805 |
| CRAWFORD John | Ballyarnet / Ldy | Copy of memorial | c1775 | T 2533 |
| CRAWFORD John | Castledawson / Ldy | Will | c1809 | D 2592 |
| CRAWFORD John | Greenan / Dow | Apprent. Indent. | c1824 | T 1497 |
| CRAWFORD John RIC | Glencolumbrille / Don | Notebook fenians | c1884 | D 1887 |
| CRAWFORD Robert | Belfast | Lease | c1829 | D 2901 |
| CRAWFORD Robert | Crawfordsburn / Dow | Marr. Helen Stewart | c1682 | D 1618 |
| CRAWFORD Thomas Rev. | Crumlin / Ant | Gen. notes | c1776 | D 1913 |
| CRAWFORD W. G. | Broughshane / Ant | Receipts, accts etc | c1896 - c1900 | D 1986add |
| CRAWFORD William | Ballymena / Ant | Sch. merit certificate | c1867 | T 2338 |
| CRAWFORD William Rev. | Broughshane / Ant | Title deeds | c1870 | D 1905 |
| CRAWFORD A.G. & Co. | Coleraine / Ldy | Ledger | 1881 - 1916 | D 3438 |
| CRAWFORD Alexander Rev. | Randalstown / Ant | Emig. letter | c1850 | T 3252 |
| CRAWFORD family | Cherryvale / Mon | Gen. notes | 1715 - 1916 | D 3544 |
| CRAWFORD Samuel Draper | Castledawson / Ldy | Copy Will | c1803 | D 2592 |
| CRAWFORD William Rev. | Errigal Keerogue / Tyr | m. Eliz. Downes | c1731 | D 2813 |
| CREENAGH Colliery | Co Tyrone | Title deeds | c1763 | D 1618 |
| CREGAN family | Ballintaggart / Arm | Title deeds etc. | 1793 - 1882 | D 1408 |
| CREIGHTON family | Co. Down | Will Extracts | D 1759 | |
| CREIGHTON family | Crom Castle / Fer | Gen. notes | early 18c - 1984 | D 3000/102 |
| CREIGHTON family | Downpatrick / Dow | Test. papers, corresp | 1850 - 1884 | D 738 |
| CREIGHTON Thomas | Kingstown / Fer | Stallion "Nimrod" | c1833 | T 2918 |
| CREIGHTON Mary Ann | Co Monaghan | m. Hugh Willoughby | c1706 | D 3053 |
| CREMORNE Lord | Blackwatertown / Arm | 2 maps | c1840 - 1845 | D 2520 |
| CREMORNE Lord | Kilmore / Arm | Map | c1847 | D 2520 |
| CRICHTON family | Enniskillen / Fer | Family papers | 1680 - late 19c | D 1939 |
| CRICHTON Viscount MP | Co Fermanagh | Letters | 1877 - c1885 | D 1939 |
| CRICKARD family | Downpatrick / Dow | Title deeds etc. | 1872 - 1916 | D 2489 |
| CRILLY family | Briarhill / Louth | Dispute | 1835 - 1837 | T 2738 |
| CROCKETT family | Bantry Bay / Cork | Gen. notes | c1674 - c1800 | T 1944 |
| CROCKETT family | Castlederg / Tyr | Pedigree | 1856 - c1941 | T 1891 |
| CROFTON Hugh | Gortlaunaght / Cav | Map | c1803 | D 3480add |
| CROFTON Hugh | Tonanilt / Cav | Map | c1803 | D 3480add |
| CROLLY Lucy | Ballykilbeg / Dow | Will | c1780 | D 552 |
| CROM CASTLE INFANTRY | Co. Fermanagh | Accts. registers | 1804 - 1805 | T 2492 |
| CROMELLIN family | Co. Down | Will Extracts | D 1759 | |
| CROMIE family | Ballymoney / Dow | Copy pedigree | Late 17c - 1966 | D 3000/66 |
| CROMIE family | Bellemont / Ldy | Leases | 1763 - 1867 | T 3482 |
| CROMIE family | Clough / Dow | Copy pedigree | Late 17c - 1966 | D 3000/66 |
| CROMIE family | Drumballyroney / Dow | Gen. notes | c1600 - 1966 | D 3000/66 |
| CROMIE family | Scrib / Dow | Copy pedigree | Late 17c - 1966 | D 3000/66 |
| CROMIE John | Rathfryland / Dow | Journal | 1852 - 1861 | T 2902 |
| CROMMELIN Alexander | Lisburn / Ant | Copy Will | c1737 | Mic 321add |
| CROMMELIN Alexander | Lisburn / Ant | Copy Will | c1785 | Mic 321add |
| CROMMELIN Estate | Comber / Dow | Title deeds etc. | 1615 - c1939 | D 2223 |
| CROMMELIN Estate | Cushendun / Ant | Title deeds etc. | 1615 - c1939 | D 2223 |
| CROMMELIN Estate | Cushendun / Dow | Title deeds,leases | early19c - 1930s | D 2223add |
| CROMMELIN Estate | Donaghadee / Dow | Title deeds etc. | 1615 - c1939 | D 2223 |
| CROMMELIN Estate | Newtown Crommelin/Ant | Title deeds etc. | 1615 - c1939 | D 2223 |
| CROMMELIN Estate | Newtownards / Dow | Title deeds etc. | 1615 - c1939 | D 2223 |
| CROMMELIN Estate | Newtowncrommelin/D | Title deeds,leases | early19c - 1930s | D 2223add |
| CROMMELIN Estate | Title deeds,leases | early19c - 1930s | D 2223add | |
| CROMMELIN family | Carrowdore / Dow | Gen. notes | 1590 - c1950 | T 2948 |
| CROMMELIN family | Carrowdore / Dow | I.L.C. papers | 1864 - 1865 | D 1255 |
| CROMMELIN family | Donaghadee / Dow | Misc. papers | c1685 - 1960 | Mic 321add |
| CROMMELIN family | Lisburn / Ant | Gen. notes | 1590 - c1950 | T 2948 |
| CROMMELIN family | Lisburn / Ant | Misc. papers | c1685 - 1960 | Mic 321add |
| CROMMELIN family | Lisburn / Ant | Gen. notes | from 1638 | Mic 321add |
| CROMMELIN family | Lisburn / Ant | Gen. notes | from 17c | D 2471 |
| CROMMELIN family | Newtown Crommelin/An | I.L.C. papers | 1864 - 1865 | D 1255 |
| CROMMELIN Louis | Lisburn / Ant | Copy Will | c1723 | Mic 321add |
| CROMMELIN Louis | Lisburn / Ant | Copy Will | c1728 | Mic 321add |
| CROMMELIN Nicholas | Carrowdore / Dow | Financial problems | 1829 - 1831 | D 964 |
| CROMMELIN Nicholas Delac | Cushendun / Ant | Legal papers | c1910 - 1940 | D 2792 |
| CROMWELL family | Lecale / Dow | Estate papers | 1616 - 1715 | T 3121 |
| CROMWELLIAN Inquisition | Antrim Town & County | c1657 | T 3022add | |
| CROOK Emma | Manchuria | Letters @ 2 | 1904, 1907 | D 1850 |
| CROOKE Emily Miss | Beaugh / Fer | Pass book | 1902 - 1910 | T 3378 |
| CROOKS family | Dunmore / Tyr | Gen. notes, pedigree | 17c - 1985 | D 3000/115 |
| CROOKSHANK Samuel | Buncrana / Don | Conveyance | c1811 | T 1375 |
| CROSBIE John | Corbally / Dow | Farmyard plan | c1872 | T 2443 |
| CROSBY family | Newtownhamilton / Arm | Emig letter | mid 1840's | T 3539 |
| CROSBY Mary Dame | Garvaghy / Dow | Lease | c1645 | D 2453 |
| CROSIER family | Gilford / Dow | Gen. notes | from 16c | D 2320 |
| CROSKERY family | Inch / Dow | Gen. notes | 17c - c1890 | T 2771add |
| CROSKERY family | Inch / Dow | Pedigree | late17c - c1980 | D 3127add |
| CROSS Estate | Darton / Arm | Rentals | 1881 - 1917 | D 959 |
| CROSS family | Kinego / Tyr | Title deeds | 1774 - 1847 | D 2314 |
| CROSS family | Moyroe / Tyr | Title deeds | 1774 - 1847 | D 2314 |
| CROSSLE family | Annahoe / Tyr | Corresp. notes etc | 1833 - 1905 | D 2085 |
| CROSSLE family | Co. Armagh | Scrapbook / index | 1796 - 1910 | D 2151add |
| CROSSLE family | Co. Tyrone | Scrapbook / index | 1796 - 1910 | D 2151add |
| CROSSLE family | Co. Tyrone | Scrapbook extracts | 1798 - 1885 | T 1689 |
| CROSSLE family | Dungannon / Tyr | Title deeds, leases | 18c - 19c | D 847 |
| CROSSLE family | Newry / Dow | Corresp. | 1850 - 1912 | D 2081 |
| CROSSLE Francis | Narrowwater / Dow | History Hall Estate | c1904 | T 1728 |
| CROSSLE J. C. | Annahoe / Tyr | Letters & Accts. | c1900 - c1940 | D 1927 |
| CROSSLE James | Annahoe / Tyr | Map of demesne | c1852 | T 2275 |
| CROSSLE Papers | Ireland | Gravestone Inscrip | 1784 - 1864 | T618, T699 |
| CROSSLEY family | Gen. notes | D 1725 | ||
| CROTHERS A. | Banbridge / Dow | Property lease | c1833 | D 794 |
| CROW family | Ireland | Gen. notes | c1650 - c1870 | T 1021add |
| CROWN & PEACE | Omagh / Tyr | Gaol calendar | c1848 | T 1938 |
| CROWTHER family | Ulster | Gen. notes | c1760 - 1927 | T 1264 |
| CROZIER family | Castleblayney / Mon | Gen. notes | 1795 - c1980 | D 3000/81 |
| CROZIER family | Newtownhamilton / Arm | Gen. notes | 1795 - c1980 | D 3000/81 |
| CROZIER George | Lurgan / Arm | Saddler's accts. | 1938 - 1957 | D 1947 |
| CROZIER William | Mullafernaghan / Dow | Conv. B'money/Dow | c1815 | D 707 |
| CROZIER F.R.M. Capt. | Banbridge / Dow | Letters home/appoint | c1845 | T 1424 |
| CRYMBLE Christopher | Ballygallagh / Ant | Will | c1775 | D 1905 |
| CRYMBLE family | Ballyearl / Ant | Title deeds | 1820 - c1930 | D 1349 |
| CRYMBLE family | Ballygallagh / Ant | Title deeds, etc | 1606 - 1928 | D 3860 |
| CULLAMORE RELIEF Comm. | Co. Tyrone | Mins. accts etc. | 1844 - 1846 | T 1579 |
| CULME family | Co. Cavan | leases etc. | 1788 - 1791 | T3520Mic428 |
| CUMINE Elizabeth | Downpatrick / Dow | Will | c1832 | T 2590 |
| CUMINE family | Co. Down | Will Extracts | D 1759 | |
| CUMINE family | Killough / Dow | Title deeds, accts | 1710 - 1919 | D 1944 |
| CUMING family | Unicarval / Dow | Title deeds | 1673 - 1849 | D 2064 |
| CUMING family | Unicarval / Dow | Wills | 1673 - 1849 | D 2064 |
| CUMING John | Ballylisbredan / Dow | Conveyance | c1741 | T 1418 |
| CUMMING family | Ballylisbredan / Dow | Title deeds,leases | 1808 - 1874 | D 3791 |
| CUMMING family | Broughshane / Ant | Gen. notes | from early 18c | D 2778add |
| CUMMING family | Co. Down | Will Extracts | D 1759 | |
| CUMMING Mary(nee Craig) | Lisburn / Ant | Emig. letters | 1811 - 1815 | D 2778add |
| CUNNINGHAM Dickson | Londonderry City | Lease of property | c1818 | D 848 |
| CUNNINGHAM family | Aghadowey / Ldy | Gen. notes | c1860 - c1930 | D 2035 |
| CUNNINGHAM family | Ballydevitt / Don | Gen. notes | c1600 - 1970 | D 3045 |
| CUNNINGHAM family | Belfast | Title deeds, leases | 1816 - 1900 | D 3106/3 |
| CUNNINGHAM family | Belfast | Misc. papers | 18c | Mic 45/3 |
| CUNNINGHAM family | Budore / Ant | Leases & accts | 1791 - 1810 | Mic 45/3 |
| CUNNINGHAM family | Crookedstone / Ant | Gen. notes | 1697 - c1940 | Mic 45/3 |
| CUNNINGHAM family | Crookedstone / Ant | Misc. papers | 18c | Mic 45/3 |
| CUNNINGHAM family | Cullybackey / Ant | Gen. notes | 1730 - 1910 | D 2109add |
| CUNNINGHAM family | Donaghmore / Dow | Title deeds, leases | c1720 - c1900 | D 2666 |
| CUNNINGHAM family | Dromore / Dow | Corresp. etc. | 1910 - 1938 | D 1835 |
| CUNNINGHAM family | Fahan / Dow | Test. & legal papers | c1876 - 1952 | D 2666 |
| CUNNINGHAM family | Fenaghy / Ant | Gen. notes | 1730 - 1910 | D 2109add |
| CUNNINGHAM family | Glenwood / | Test. papers | c1830 - 1887 | D 1905 |
| CUNNINGHAM family | Glenwood / Belfast | Misc. papers | 1785 - 1880 | Mic 32 |
| CUNNINGHAM family | Lisnafillon / Ant | Gen. notes | 1730 - 1910 | D 2109add |
| CUNNINGHAM family | Londonderry | Gen. notes | c1600 - 1970 | D 3045 |
| CUNNINGHAM family | Mountcharles / Don | Gen. notes | c1600 - 1970 | D 3045 |
| CUNNINGHAM family | Muckamore / Ant | Linen Wks. ledger | 1778 - 1837 | D 2165 |
| CUNNINGHAM family | Ulster | Gen notes | c1100 - c1900 | T 1289 |
| CUNNINGHAM John | Ballykeel / Ant | Lease of land | c1863 | D 1242add |
| CUNNINGHAM John | Belfast | Lease / Rosemary St | c1854 | T 1194 |
| CUNNINGHAM Sean Comm. | IRA papers | c1920s | D 1625 | |
| CUNNINGHAM Stockbrokers | Belfast | Press cuttings | 1843, 1900 | T 2143 |
| CUNNINGHAM family | Fenaghy / Ant | Press cuttings sale | 1834 - 55, 1908 | D 1216 |
| CUNNINGHAM family | Galgorm / Ant | Press cuttings sale | 1834 - 55, 1908 | D 1216 |
| CUPPAGE Adam | Monree / Dow | Map | c1787 | D 1953 |
| CUPPAGE Alexander | Lurgan / Arm | Promissory note | c1819 | T 2335 |
| CUPPAGE Estate | Killyman / Tyr | Maps | c1825 | D 1932 |
| CUPPAGE family | Ballygowan / Dow | Legal / Test. papers | 1876 - 1920 | D 961 |
| CUPPAGE family | Co. Antrim | Gen. notes | 1897 - 1974 | T 3082add |
| CUPPAGE family | Glenariff / Ant | Copy Title Deeds | c1910 - c1950 | D 2792 |
| CUPPAGE family | Killowen / Ldy | Title deeds, leases | 1848 - 1923 | D 2738add |
| CUPPAGE family | Lurgan / Arm | Title deeds | from 1699 | D 1905 |
| CUPPAGE family | Gen. notes | D 1725 | ||
| CUPPLES Edward Rev. | Glenavy / Ant | Commonplace book | c1830 | D 2099 |
| CUPPLES Edward Rev. | Glenavy / Ant | Tithes etc. | c1816 - c1826 | D 2099 |
| CUPPLES family | Lisburn / Ant | Misc. papers | 1800 - 1873 | D 2269 |
| CUPPLES family | Loughbrickland / Dow | Gen. notes | 1841 - 1905 | T 1476 |
| CUPPLES Snowden Rev. Dr. | Down & Connor | Precedent book | c1830 | D 2099 |
| CURRIDORS Edward | Bracky / Fer | Land Lease | c1770 | T 1957 |
| CURRIE Henry | Manor of Ardmillan /Dow | Encumbered sale | 12 Nov 1852 | D 1201/23/32 |
| CURRY family | Newry / Dow | Leases | 1778 - 1850 | D 2965 |
| CURRY Mary Ann | Ballygan / Ant | L of A & copy will | c1886 | D 3511 |
| CUSACK James Grocer | Dromore / Dow | Accts. etc. | 1871 - 1874 | D 2321 |
| CUSHENDUN Lord Estate | Cushendun / Ant | Rentals | from 1908 | D 2122 |
| CUST Henry | Ballynehone / Arm | Copy Will | c 1770 | D 1594 |
| CUTHBERT family | Ulster | Gen. notes | c1760 - 1927 | T 1264 |