122 results
| Union | 514 |
| Urban | 261 |
| Underwood | 143 |
| Upton | 126 |
| Urquhart | 109 |
| Udy | 62 |
| Unsworth | 54 |
| Uren | 50 |
| Urwin | 50 |
| Ungerer | 40 |
| Upson | 36 |
| Unwin | 36 |
| Usher | 34 |
| Utting | 34 |
| Ullrich | 33 |
| Ulrich | 32 |
| Ung | 28 |
| Ure | 24 |
| Underhill | 23 |
| Underberg | 21 |
| Upchurch | 20 |
| Uno | 15 |
| Urry | 15 |
| Unger | 14 |
| Usherwood | 14 |
| Uden | 13 |
| Umar | 13 |
| Underdown | 11 |
| Ulberg | 11 |
| Ullah | 9 |
| Upper | 9 |
| Upjohn | 9 |
| Uddin | 8 |
| Uttley | 8 |
| Upham | 7 |
| Uber | 7 |
| Upadhyay | 7 |
| Uri | 7 |
| Utley | 5 |
| Urie | 5 |
| Unser | 5 |
| Ukena | 5 |
| Urena | 4 |
| Ueda | 4 |
| Usman | 4 |
| Urbani | 4 |
| Umpleby | 4 |
| Uche | 4 |
| Uken | 4 |
| Urtel | 4 |
| Use | 4 |
| Ulmer | 3 |
| Urbano | 3 |
| Udall | 3 |
| Ursua | 3 |
| Unthank | 3 |
| Usmani | 3 |
| Uhlmann | 3 |
| Udo | 3 |
| Uria | 3 |
| Utton | 3 |
| Uzzi | 3 |
| Uzar | 3 |
| Urmson | 3 |
| Upman | 3 |
| Ulu | 3 |
| Uss | 3 |
| Ute | 3 |
| Ullman | 2 |
| Uchida | 2 |
| Ulbrich | 2 |
| Umali | 2 |
| Uppal | 2 |
| Uehara | 2 |
| Utech | 2 |