
| Surname | Place | Period | Submitted by | Email Address |
| UDELL | WIL / SOM | Pre 1800 | B1061 | MEMBERS ONLY |
| UFFINDELL | One Name Study | All | B0062 | MEMBERS ONLY |
| ULLIOT | Halton Holgate | Pre 1690 | B1240 | MEMBERS ONLY |
| ULYATT | South Kyme | 17-20C | B9084 | MEMBERS ONLY |
| ULYATT | Swineshead | 18-19C | B7962 | MEMBERS ONLY |
| UPCRAFT | Stepney, MDX | 1750-1850 | B2130 | MEMBERS ONLY |
| UPTON | 18-20C | B9275 | MEMBERS ONLY | |
| UPTON | LIN | Pre 1800 | B0096 | MEMBERS ONLY |
| UPTON | South Thoresby | 17-18C | B9623 | MEMBERS ONLY |
| URRY | Cabourne/Grasby | 18-19C | B7814 | MEMBERS ONLY |
| URRY | Caistor area | 18-19C | B7132 | MEMBERS ONLY |
| URRY | Grimsby | 18-20C | B7814 | MEMBERS ONLY |
| USHER | Kirton | 19-20C | A3837 | MEMBERS ONLY |
| USHER | Moulton | c1840 | A3479 | MEMBERS ONLY |
| USHER | Sutton St Edmunds area | 17-18C | B2290 | MEMBERS ONLY |
| UTLEY | Wath upon Dearne, WRY | 19-20C | B8729 | MEMBERS ONLY |
| UTTING | Lindsey | 18-20C | C0198 | MEMBERS ONLY |