| UK and Ireland, Newspapers.com™ Obituary Index, 1800s-current | 30,763,750 |
| Scotland, Select Births and Baptisms, 1564-1950 | 27,121,897 |
| UK and Ireland, Find a Grave® Index, 1300s-Current | 19,905,080 |
| Web: UK, Burial and Cremation Index, 1576-2014 | 9,040,107 |
| UK and Ireland, Newspapers.com™ Marriage Index, 1800s-current | 8,967,629 |
| England and Wales, Death Index, 1989-2022 | 7,166,817 |
| UK and Ireland, Obituary Index, 2004-Current | 6,984,995 |
| England & Wales, Non-Conformist and Non-Parochial Registers, 1567-1936 | 5,730,258 |
| Scotland, Select Marriages, 1561-1910 | 4,298,852 |
| UK, Commonwealth War Graves, 1914-1921 and 1939-1947 | 1,220,781 |
| JewishGen Online Worldwide Burial Registry (JOWBR) | 1,195,945 |
| Scotland and Northern Ireland, Death Index, 1989-2022 | 916,681 |
| Web: Global, Gravestone Photograph Index, 1265-2014 | 876,327 |
| UK, World War II Army Casualty Lists, 1939-1945 | 656,432 |
| Scotland, Burial Monument Inscriptions, 1507-2019 | 619,169 |
| England & Wales, Quaker Birth, Marriage, and Death Registers, 1578-1837 | 586,018 |
| Web: Moray, Scotland, Local Heritage Index, 1632-2014 | 583,776 |
| Edinburgh, Scotland, Cemetery Registers, 1771-1935 | 493,527 |
| UK, British Army and Navy Birth, Marriage and Death Records, 1730-1960 | 437,190 |
| UK, Registers of Births, Marriages and Deaths at Sea, 1844-1890 | 346,335 |
| England, Andrews Newspaper Index Cards, 1790-1976 | 335,428 |
| Scotland, Extracted Parish Records, 1571-1997 | 247,521 |
| Web: Scotland, National War Memorial Index, 1914-1945 | 206,489 |
| UK, Registers and Indexes of Births, Marriages and Deaths of Passengers and Seamen at Sea, 1891-1922 | 200,260 |
| Aberdeen and North-East Scotland, Index to Memorial Inscription Booklets, 1500-2021 | 185,928 |
| Perth, Scotland Newspaper Index Cards, 1809-1990 | 184,616 |
| UK, Army Roll of Honour, 1939-1945 | 171,216 |
| UK, Records of the Removal of Graves and Tombstones, 1601-2007 | 165,389 |
| UK, Foreign and Overseas Registers of British Subjects, 1628-1969 | 164,267 |
| Web: UK and Allied Countries, Index of International Bomber Command Losses, 1936-1966 | 161,642 |
| Fife, Scotland, Newspaper Index Cards, 1833-1987 | 135,438 |
| UK, Officers' Birth Certificates, Wills and Personal Papers, 1755-1908 | 104,288 |
| Scotland, Gravestones and Memorials, 1521-2020 | 94,314 |
| Dictionary of National Biography, Volumes 1-22 | 92,502 |
| Scotland, Red Books of Scotland, 1600-1939 | 90,571 |
| Web: UK, Death Duty Registers Index, 1796-1811 | 70,401 |
| Great Britain, Select Deaths and Burials, 1778-1988 | 70,398 |
| Great Britain, Select Births and Baptisms, 1571-1977 | 62,126 |
| UK, Merchant Seamen Deaths, 1939 -1953 | 61,786 |
| UK, World War II Civilian Deaths, 1939-1945 | 59,418 |
| UK, Military Records of Baptisms, Confirmations, Marriages and Burials, 1813-1957 | 40,319 |
| Web: Perth, Scotland, Burgh Burial Index, 1794-1855 | 38,124 |
| Great Britain, Select Marriages, 1797-1988 | 34,972 |
| UK, Post Mortem Examinations and Case Books, 1840-1920 | 27,537 |
| Scottish Covenanters Index | 26,044 |
| Gretna Green, Scotland, Marriage Registers, 1794-1895 | 20,956 |
| Wells, Somerset, England, Bishop's Transcripts, 1594-1736 | 15,917 |
| Web: UK, Methodist Ministers Death Index, 1800-1963 | 10,959 |
| Great Britain, Royal Naval Division Casualties of The Great War, 1914-1924 | 10,231 |
| Web: Scotland, Non-OPR Births and Baptisms Index, 1666-1874 | 7,325 |
| UK, Admiralty Records of Marriages and Baptisms, 1754-1878 | 7,206 |
| The Gentleman's Magazine Library, 1731-1868 | 7,185 |
| Web: UK, Register of Railway Employee Injuries and Deaths, 1911-1915 | 3,915 |
| Web: Scotland, Non-OPR Banns and Marriages Index, 1656-1875 | 2,985 |
| Web: Scotland, Non-OPR Deaths and Burials Index, 1673-1855 | 2,584 |
| United Kingdom County Families | 1,209 |
| The book of Dunvegan : being documents from the muniment room of the MacLeods of MacLeod at Dunvegan Castle, Isle of Skye | 622 |
| UK and Ireland, Families of Historic Properties, 1222-1967 | 481 |
| Royalty for Commoners | 390 |
| The Loyalists of Massachusetts | 362 |
| Muthill, Perthshire, Scotland, Register of Baptisms, 1697-1847 | 220 |
| William Wood (born 1656) of Earlsferry, Scotland : and some of his descendants and their connections | 107 |
| American Data from the Aberdeen Journal, 1748-1783 | 102 |
| Scottish Quakers and Early America, 1650-1700 | 50 |
| Register of baptisms, proclamations, marriages and mortcloth dues contained in kirk-session records of the parish of Torphichen | 37 |
| Watts (Watt), (in New York and in Edinburgh, Scotland) | 36 |