The following records are available for miscellaneous records, probate and marriage indexes, and census substitutes in County Derry. Some are in local custody (LC) and can be gotten by writing to the local priest. Others are available thruogh the Genealogical Centre (GC) and still others at the National Library of Ireland (NLI) and the National Archives of Ireland (NAI) and through the Salt Lake City Family History Center (SLC film numbers). Good luck in your search.
| Date | Record | Location |
| 1628 | Houses and Families in Londonderry | SLC Film 1636860 and 990087 |
| 1659 | Pender's Census of Ireland | SLC film 924648 |
| 1662 | Extracts from Subsidy rolls | PRONI T716 |
| 1663 | Hearth Money roll | PRONI T307 NLI 9584 |
| 1740 | Protestant Householders in vairous parishes | SLC 100182 and 1279327 |
| 1752 | Lists of tenants from vairous townlands | St. Derry Hist. Soc. J. 1 (2) 1981/82 |
| 1761 | Militia List | GO ms 680 |
| 1766 | Householders of Various Parishes | NAI Parl. Returns 650, 659, 674, SLC film 100173, 1279330, SLC film 258517 and NAI M 2476, SLC film 285517, NAI M2476, RCB M23, RCB MS. 23 |
| 1772 | Londonderry Journal )Continued as Derry Journal in 1880) | Newspapers - GC |
| 1796 | Census of the Presbyterian Congregation of Garvagh 1st | Garvagh Presbyterian Register |
| 1796 | Spinning Wheel Premium List | SLC film 1419442 |
| 1803 | Census for Faughavale, Co. Derry | Ulster Gen & Historical guild Newsletter 1910)(1984) |
| 1820 | J. Pigot's Commercial Directory | GC |
| 1821 | Extracts from Government Census | SLC Film M824240 |
| 1824 | J. Pigot's City of dublin and Hibernian Provincial Directory | GC |
| 1829 | Census of Protestants | PRONI T308 |
| 1829 | Londonderrry Sentinel (Continued as Sentinel in 1974) | Newspapers - GC |
| 1829 | Magherafedt Tithe Applotment | Sth. Derry Hist. Socl J 1(2)(1981/82) |
| 1830 | Register of Freeholders of City an dCounty | PNO D834 |
| 1831 | Government census remnants | PRONI |
| 1832 | City of Londonderry Registry | PRONI |
| 1832 | List of persons who voted at the Coleraine Borough election | SLC fiche 6342808 |
| 1832 | Petition of Co. Derry Flax growers | NAI Outrage Papers 1832-2188 |
| 1836 | Londonderry Standard (Continued as Derry Standard in 1888) | Newspapers - GC |
| 1837 | List of those made Freemen of Londonderry and Coleraine since 1831 | Parl. Papers 1837,11(1) appen B1 18370-8 13(2) Appen. 3 |
| 1837 | Names and residence of Aldermen | Parl Papers 1837 13(2) |
| 1837 | Occupants of Coleraine | Parl. Papers 1837 11(1) App. G |
| 1837 | Occupants of Londonderry | Parl. Papers 1837 11(1) App. G |
| 1838 | Lists of Marksmen | Parl. Parpers 1837 11(1) App. A |
| 1839 | List of Persons who obtrained Game Certifications in Ulster | PRONI T 688 |
| 1842 | Matthew Martin's Belfast directory | GC |
| 1842 | Voters List | NAI 1842-69 |
| 1844 | Coleraine Chronicle (continued as Chronicle in 1967) | Newspapers - GC |
| 1846 | Slater's National Commercial Directory of Ireland | GC |
| 1847 | Protestants at Fallaghy | PRONI D2098 |
| 1850 | Census of the Presbyterian Congregation of magilligan | Magilligan Presybterian Register |
| 1852 | Henderson's Belfast and Province of Ulster Directory | GC |
| 1854 | Henderson's Belfast and Province of Ulster Directory | GC |
| 1856 | Slater's Royal National Commercial Directory of Ireland | GC |
| 1857 | Londonderry Guaridan | Newspapers - GC |
| 1858 | The 2nd Valuation of the City of Derry | Derry Youth and community Workshop 1984 |
| 1865 | R. Wynne's Business Directory of Belfast | GC |
| 1868 | List of voters in 1868 | PRONI, NLI |
| 1868 | State of the poll in city of Londonderry | Magee College Library, Derry |
| 1870 | Salter's Directory of Ireland | GC |
| 1870 | State of the Poll of Londonderry | Queens University Library, Belfast |
| 1870 | Voters at the election in Londonderry | Presybterian Historical Society Library, Belfast |
| 1875 | Coleraine Constitution (continued as Northern Constitutino in 1908) | Newspapers - GC |
| 1879 | Londonderry Chronicle | Newspapers - GC |
| 1881 | Slater's Royal National Commercial Directory of Ireland | GC |
| 1887 | Derry Almanac | GC |
| 1894 | Slater's Royal National Commercial Directory of Ireland | GC |
| 1901 | Census | NAI |
| 1911 | Census | NAI |
| 1918 | Survey of Derry, City and County, and Coleraine with names of Undertakers, Servitors, and Principal Natives | TCD ms. 864 |
| 18403 | Census of the Presbyterian Congregatiopn of garvagh | Garvagh Presybterian Register |
| 1609-1629 | Londonderry and the London Companies. Survey of docsuments submitted to King Charles 1 | Belfast H.M.S.O. 1928 |
| 1642-43 | Muster Roll | SLC 941.5/M23m |
| 1654-56 | Civil Survey | Robert C. Simington Dublin, SO 1937 |
| 1797-1800 | Muster Rolls | SLC 993910 |
| 1808-13 | Freeholders List | NAI Film M 6199 |
| 1823-38 | Tithe Applotment Survey | SLC |
| 1831-32 | First Valuation of the City of Derry | PRIN, SLC film 597160-63 and 874437 |
| 1831-34 | Government census remnants | PRONI |
| 1832-36 | Names of Holders of Applications for Licenses to Sell Liquor | Parl. Papers 1837-8 |
| 1833-34 | Emigrants to America from Londonderry | SLC 973 A1 5 |
| 1833-39 | Irish Emigration Lists | SLC 941.6 W2m |
| 1841-1851 | Extracts from Government Census | SLC film 258538-41 |
| 1847-49 | Emigrants from Derry Port | |
| 1847-81 | Irish Passenger Lists | |
| 1858-59 | Griffith's Valuation | SLC |
| 1864-71 | Company List of Passengers to Sail from Londonderry 1864-71 | Ulster Gen & Hist. Guild J. 1 (3) 1979 |
| Journals | Benbradagh (Dungiven parish magazine) | |
| Journals | Derriana (published by Derry Diocesan Historical Society 1978-present) | |
| Journals | North Irish Roots Published by North of Ireland Family History Society | |
| Journals | South Derry Historical Society Journal 1980 to present | |
| Marriage Records | Indexes Armagh 1727-1845 | SLC 100859-60 |
| Marriage Records | Indexes Connor 1721-1845 SLC 100867 | SLC 100867 |
| Marriage Records | Indexes to Belfast, Londonderry, and Armagh and Administration 1900-1909 | SLC 930388 |
| Misc. Sources | A memoir explanatory of the chart and survey of the county of Londonderry. | . |
| Misc. Sources | An Historical Account of the Plantation in Ulster at the Commencement of the Seventeenth Century 17608-1620 | . |
| Misc. Sources | City on the Foyle | . |
| Misc. Sources | Derriana | . |
| Misc. Sources | Derry Clergy and Parishes | . |
| Misc. Sources | Derry Clergy List 1631 | SLC 994003 |
| Misc. Sources | Derry, A City Invincible | . |
| Misc. Sources | Derry, Donegal and Modern Ulster | . |
| Misc. Sources | Derry-Souces for Family History | GC |
| Misc. Sources | Desertmartin Estate Rental 1877-1886 | . |
| Misc. Sources | Historical Gleanings from County Derry and some from Fermanagh | . |
| Misc. Sources | Londonderry and the Donegal Highlands | . |
| Misc. Sources | Mortality in Magherafelt, County Derry in the Early 18th Century | Ir. Hist. Stud. |
| Misc. Sources | North West Ulster | . |
| Misc. Sources | Notes on the place-names of the parishes and townlands of the county of Londonderry | . |
| Misc. Sources | Oon the Banks of the Foyle, Historical photographs of victorian and Edwardian Derry | . |
| Misc. Sources | Ordnance Survey of the country of Londonderry, volume 1- Memoir of the city and Northwest Liberties of Londonderry, Parish of Templemore | . |
| Misc. Sources | Ordnance survey of the County of Londonderry | arish of Tmeplement |
| Misc. Sources | Popish Clergy in Derry 1704 | . |
| Misc. Sources | Priest of Derry 1890-1905 | . |
| Misc. Sources | Provisional list of pre-1900 School Reigsters in the PRONI | PRONI |
| Misc. Sources | Siege City, The Story of Derry and Londonderry | . |
| Misc. Sources | Statistical Survey of the County of Londonderry | SLC 924934 |
| Misc. Sources | Surnames of Co. Derry | Irish Roots |
| Misc. Sources | The Annals of Derry showing the Rise an dProgess of the town from the earliest accounts on Records to the Plantation under King James 1-1613 | . |
| Misc. Sources | The County of Londonderry in Three Cneturies with Notices of the Ironmonger's Estate | . |
| Misc. Sources | The Londonderry Plantation 1609-1641 | . |
| Misc. Sources | The Londonderry Plantation 1609-1914 | . |
| Misc. Sources | The Maiden City and the Western Ocean | . |
| Misc. Sources | The Siege and History of Londonderry | . |
| Misc. Sources | The Siege of Derry | . |
| Misc. Sources | Ulster's Hsitoric City, Derry Londonderry | . |
| Misc. Sources | Workhouse Records: Records of Limevady Union Workhouse | SLC 259176, 259179-80 |
| Probate Records | ost 1868 District registry of Londonderry | SLC 930300 942246-22 |
| Probate Records | Pre 1858 Consistorial Wills Indexes 1612-1858 | SLC |
This county is maintained by Diana Hanson
[Last updated 31 May 1998 - Diana Hanson]