Achternamen
| Achternaam | Aantal |
|---|---|
| Uphof | 2 |
| Uphus | 1 |
| Uran | 1 |
| Urban | 1 |
| Urbanus | 1 |
| Ureel | 2 |
| Urff | 3 |
| Urlings | 108 |
| Urlus | 1 |
| Ursel, van | 2 |
| Urselman | 2 |
| Urselmann | 4 |
| Ursem | 2 |
| Ursic | 2 |
| Ursinus | 2 |
| Us | 1 |
| Usai | 2 |
| Uschauer | 1 |
| Usé | 1 |
| Usleeber | 1 |
| Utecht | 1 |
| Uten | 1 |
| Utens | 16 |
| Utzerath | 1 |
| Uuldriks | 1 |