| World Foreign Gazetteer, Vol. 1 | 1,545,127 |
| Ireland, Casey Collection Indexes, 1545-1960 | 1,037,567 |
| Jewish Given Name Variations | 721,272 |
| Web: Moray, Scotland, Local Heritage Index, 1632-2014 | 583,776 |
| JewishGen Belarus Databases Name Index | 410,811 |
| Meyers Gazetteer of the German Empire (in German) | 201,829 |
| Germany, Dachau Concentration Camp Records, 1945 | 168,116 |
| Siebmacher’s Wappenbuch, Coat of Arms (in German) | 147,252 |
| Ireland, Famine Relief Commission Papers, 1844-1847 | 87,044 |
| Jewish Holocaust Survivor List from the files of World Jewish Congress, 1918-1982 | 72,899 |
| Jewish Holocaust Survivor names printed in "Sharit Ha-Platah", 1946 | 61,388 |
| Upper Brittany, France Sailors & Marine Workers, 1711-1907 (in French) | 40,323 |
| Fife, Scotland, The Dunfermline Register, 1829-1859 | 26,750 |
| U.K., Medicine and Our Ancestors | 22,127 |
| Meyers Konversations-Lexikon (in German) | 20,738 |
| Miriam Weiner Eastern European Archival Database | 19,021 |
| Lewis's Topographical Dictionary of England 1845 | 17,062 |
| Lithuania, Directories from Several Towns and Shtetls, 1816-1944 | 11,050 |
| Germany, the Fate of Jews from Many Communities in Westphalia, 1933-1942 | 8,177 |
| Germany, Data on 7,400 North Bavarian Jews | 7,407 |
| Jewish Community Locator | 4,766 |
| The Beauties of England & Wales | 4,321 |
| Belarus, Jewish Surnames in Minsk Vital Record Collections | 3,435 |
| Minsk, Belarus. Yizkor Book Index, 1890s-1941 | 3,279 |
| Prussia, Municipality Gazetteer, 1905 (in German) | 3,029 |
| Neues Allgemeines Adels-Lexicon (in German) | 2,828 |
| A Topographical History of Surrey | 2,600 |
| US & British Isle, Joseph Thomas Biographical Dictionary, 1890 | 2,527 |
| England Topographical Dictionary | 2,520 |
| The Imperial Gazetteer of England and Wales, 1872 | 2,421 |
| Cassell's Gazetteer of Great Britain and Ireland | 2,416 |
| Kraków, Poland, Lists of Jewish People Working for Oscar Schindler, 1944-1945 | 1,980 |
| The Imperial Gazetteer of Scotland | 1,822 |
| Ordnance Gazetteer of Scotland | 1,812 |
| The register of Edmund Lacy, Bishop of Exeter, 1420-1455: Registrum commune | 1,777 |
| Gazetteer of Scotland | 1,768 |
| Genealogical gleanings in England | 1,666 |
| Ireland Topographical Dictionary, 1837 | 1,423 |
| Fasti Ecclesiae Scoticanae. The succession of ministers in the parish churches of Scotland | 1,353 |
| The general armory of England, Scotland, Ireland, and Wales: comprising a registry of armorial bearings from the earliest to the present time | 1,340 |
| The General Armory of England, Scotland, Ireland, and Wales | 1,311 |
| Topographical Dictionary of Scotland (2 vols) | 1,278 |
| Dictionary of Biography and Mythology, Volume I | 1,244 |
| Index to administrations in the Prerogative Court of Canterbury | 1,175 |
| Wales Topographical Dictionary, 1844 | 1,040 |
| Edinburgh, Scotland Almanac, 1853 | 972 |
| Dizionario Geografico, Storico, Biografico Italiano, Vol. 1 (in Italian) | 944 |
| Ireland Visitation | 931 |
| The Genealogists Guide | 890 |
| Oliver & Boyd's New Edinburgh Almanac for 1847 | 888 |
| Dublin Almanac and General Register of Ireland for the Year of Our Lord 1841 | 880 |
| English and Welsh Surname Dictionary | 856 |
| Paterson's Roads; being an entirely original and accurate description of all the Direct and Principal Cross Roads | 847 |
| A dictionary of English and Welsh surnames | 847 |
| Old England - A Pictorial Museum - Charles Knight. 2 Vols (abt. 1870) | 845 |
| The Descendants of Louis XIII | 829 |
| Deacon's Court Guide and Gazetteer of Devon | 810 |
| Wales Topographical Dictionary + Illustrated Wales | 798 |
| Wales Topographical Dictionary, 1833 | 794 |
| Complete Domestic Medicine 1849 | 769 |
| A Dictionary of Universal Biography of All Ages and all Peoples | 766 |
| Index of wills and administrations now preserved in the Probate Registry at Canterbury : 1396-1558 and 1640-1650 | 763 |
| Irish Names and Surnames | 742 |
| Burke's Family Records | 717 |
| Ipswich Borough Archives Catalogue, 1255-1835 | 703 |
| Glossary of Terms Used in Heraldry | 689 |
| Nicholson's Cambrian traveller's guide, in every direction | 680 |
| United Kingdom, Royal Commission on Historical Manuscripts, Fifth Report | 679 |
| English surnames : their sources and significations | 673 |
| Burke's Extinct and Dormant Baronetcies of England, Ireland, and Scotland | 655 |
| English Costume | 650 |
| Surnames of the United Kingdom, 1912. | 649 |
| Les Canadiens-Français: origine des familles émigrées de France, d'Espagne, de Suisse, etc. (in French) | 642 |
| Great Britain and Ireland: Picturesque Views of County Seats, Volume I-VI | 631 |
| Beetons Dictionary of Universal Biography (Portraits). Lives of Eminent Persons Of All Times. (Illustrated) 1879 | 629 |
| Gemeinde- und Ortslexikon des Deutschen Reichs (in German) | 629 |
| Index to wills proved in the Consistory Court of Norwich : and now preserved in the District Probate Registry at Norwich | 629 |
| The book of Dunvegan : being documents from the muniment room of the MacLeods of MacLeod at Dunvegan Castle, Isle of Skye | 622 |
| Essex, Suffolk, Norfolk, and Cambridgeshire, England 1892 | 616 |
| Paterson's Book of Roads 1808 | 609 |
| The origin and history of Irish names of places | 590 |
| Crondal Hundred, Hampshire Records | 557 |
| 1831 Edinburgh Almanac - Universal Scots and Imperial Register | 546 |
| Simm's Manual for the Topographer and Genealogist - 1856 | 545 |
| Dionis' Chirurgical Operations 1733 | 542 |
| Highways and Byways in Lincolnshire (1914) | 542 |
| Calendar of Wynn (of Gwydir) papers, 1515-1690 : in the National Library of Wales and elsewhere. | 526 |
| Index of chancery proceedings (Reynardson's division) preserved in the Public Record Office : 1649-1714 | 523 |
| England and Wales, Parish Register Abstract, 1831 | 520 |
| Haute-Garonne : Inventaire sommaire des archives départementales anterieures à 1790, série C, tome 2 (p. 1-432) (in French) | 492 |
| Highways and byways in North Wales | 492 |
| Cher : Inventaire sommaire des archives départementales antérieures à 1790, archives civiles, séries A-E, t. III E 1032-1998, t. IV E 1999-2513 (in French) | 486 |
| A calendar of the marriage licence allegations in the Registry of the Bishop of London : 1597 to 1700 | 481 |
| Highways & Byways of Wiltshire | 477 |
| Hill's Family Herbal 1812 | 477 |
| Suffolk Bibliography | 472 |
| Geographisches Lexikon des Deutschen Reichs. Band 1 (in German) | 466 |
| Highways & Byways in Hampshire | 460 |
| Haute-Garonne : Inventaire sommaire des archives départementales anterieures à 1790, série C, tome 1 (in French) | 460 |
| Allier : Inventaire sommaire des archives départementales antérieures à 1790, Allier, série E supplément (in French) | 456 |