Achternamen
| Achternaam | Aantal |
|---|---|
| Troy, de | 2 |
| Troyen, van | 1 |
| Troyer, de | 6 |
| Truffino | 1 |
| Trügg | 1 |
| Truggelaar | 1 |
| Truijen | 40 |
| Truijens | 12 |
| Trum | 5 |
| Trumm | 1 |
| Trump | 1 |
| Trümpener | 2 |
| Trunk | 1 |
| Truyen | 21 |
| Truyens | 9 |
| Truyers | 1 |
| Truyts | 1 |
| Tryba | 1 |
| Trynes | 4 |
| Trzan | 1 |
| Tscharner | 1 |
| Tscheprakowa | 1 |
| Tschöpe | 1 |
| Tteeven | 1 |
| Ttielens | 1 |