Achternamen
| Achternaam | Aantal |
|---|---|
| Sintfiet, van | 11 |
| Sintfijt, van | 4 |
| Sintler | 1 |
| Sintobin | 1 |
| Sintsen | 1 |
| Sinttruyen, van | 1 |
| Sintzen | 5 |
| Sinwell | 1 |
| Sinzen | 1 |
| Sio | 1 |
| Sioen | 1 |
| Siong | 1 |
| Siongers | 1 |
| Siperath | 1 |
| Sipers | 9 |
| Siphout, van | 1 |
| Sipman | 2 |
| Sippel | 2 |
| Sips | 12 |
| Siroen | 4 |
| Sirre | 2 |
| Sirwutubun | 1 |
| Sistermann | 1 |
| Sistermanns | 3 |
| Sistermans | 17 |