Achternamen
| Achternaam | Aantal |
|---|---|
| Urban | 1 |
| Urbanus | 1 |
| Ureel | 2 |
| Urff | 3 |
| Urlings | 105 |
| Urlus | 1 |
| Ursel, van | 2 |
| Urselamnn | 1 |
| Urselman | 1 |
| Urselmann | 3 |
| Ursem | 2 |
| Ursic | 2 |
| Ursinus | 2 |
| Us | 1 |
| Usai | 1 |
| Usé | 1 |
| Usleeber | 1 |
| Uten | 1 |
| Utens | 16 |
| Utzerath | 1 |
| Uuldriks | 1 |
| Uum, van | 5 |
| Uurlings | 1 |
| Uyl, den | 1 |
| Uylen | 1 |