| Ubaudi: Family history compiled by Bob Ubudi, Arnold, MO USA. Current research halted, database and results still available for search and review. |
| Uber: Family tree of David Lee Uber, Kinsman, Ohio and Jamestown, PA USA. |
| Uhl Family: Traces the Uhl and Ernst Families from Germany to Iowa. |
| Ullstad, Ullestad, Ulstad: Ancestral history of Knut Magneson Ullestad, 17th century, Voss Norway. |
| Ulmer Ancestry: Descendants of George Ulmer and William McCullough, dating back to the 1700's. |
| Umstead Family: Articles, burial sites, ancestral history, photographs and general information. |
| Underhill and Norris: Family history as compiled by Casey. Includes surnames Blank, Collins, Gerking, Meredith, Seling, Tharp, Tompkins and Wilber. |
| Unke: Ancestral research focusing on family lines that originated in Neustettin, Pomerania. Compiled by Robert and Helga Haberstroh. |
| Unselt: Descendants of Hans Unselt compiled by Merrie Unselt, Commerce City, Colorado USA. |
| Unsworth: Family history of David G Unsworth of St Helens, Lancashire. Includes photographs, reports and family trees. |
| Unwin Family Tree: Ancestors and descendants of Alan Jones Unwin; Liverpool area from 1759. |
| Upshaw Family: Pedigree and research information including variants Upcher, Upshur and Upsher. Compiled by Tom Upshaw. |
| Uptegrove Zone: Pedigree and family photographs, includes the spelling variations of Updegrove, Upthegrove, Updegraff, Uptegraff and Uptegrave. |
| Urban: Family history and other hobbies as compiled by Carol Pack Urban. |
| Urbano: Ancestral research compiled by Arthur Urbano. Includes photographs taken whilst on a trip to Italy. |
| Uribe: Northern New Mexico Families: Searchable pedigree database including the surnames Lopez, Arguello, Velarde, Garcia, de Herrera, Candelaria and collateral lines. |
| Urie Family History: World wide collection of families including history, current projects, associated links and research details. |
| Urry Family: Isle of Wight: Chronological notes compiled by Mark Sebastian Bastiani Urry. Includes information on the family manors. |
| Ursua Family: Bicol: History of the line from Libmanan, Camarines Sur. Includes coat of arms, origin and tree. Compiled by Renato U Villareal. |
| Usher: Real Houses: Collection of research information for branches and lines including variant Ussher. |
| Ussery: Research hub, collecting and preserving the heritage of the name including Ussery, Usry, Essary and Usery. |
| Utermohlen: Family history of William Utermohlen including maps, photographs and ancestral information. Features the lineages of Germany and the USA; also includes a link to the DNA study. |
Classical
