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| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|---|---|---|---|---|---|---|---|---|
| Underwood | 10 | Ursula | 2 | Unk | 6 | Urton | 1 | ULYSTON | 1 |
| Underhill | 16 | Urraca | 5 | UCHTRED | 1 | UFFORD | 5 | Upper Lorraine | 1 |
| Unknown | 617 | Uctred | 1 | UDA | 1 | UFFORD (UFFOOTE) | 1 | URGEL & BARCELONA | 1 |
| Ulmer | 3 | Uplanders | 1 | Ursins | 1 | UPDIKE | 1 | URGEL | 1 |
| Umfreville, de | 4 | Ussery | 2 | Ursins, Des | 4 | UFFORT | 1 | Ulster | 1 |
| Unthank | 6 | Uzzi | 1 | Ufwell, De | 3 | UFFOTT | 1 | UITHOL | 3 |
| Utynek | 2 | Ur | 1 | URTIACO, DE | 3 | UDALL | 1 | UPHAM | 1 |
| Umfraville, de | 4 | Urach | 2 | unknown2 | 1 | UNKNOWN(KIRTLAND | 1 | Utley | 3 |
| Updegrove | 2 | URACH ARBERG | 2 | Ursewick | 2 | UPSON | 3 | UPTON | 3 |
| Usery | 2 | Unkown | 1 | Usrey | 3 | ULFORD | 1 | - | - |
| Uncil | 2 | Usan | 1 | Urgell-Cerdanya | 1 | UFFOOT | 1 | - | - |
| Uvedale | 6 | UMFREVILLE | 19 | Ufford, de | 1 | UNKN | 1 | - | - |