Achternamen
| Achternaam | Aantal |
|---|---|
| Sinzen | 1 |
| Sio | 1 |
| Sioen | 1 |
| Siong | 1 |
| Siongers | 1 |
| Siperath | 1 |
| Sipers | 8 |
| Siphout, van | 1 |
| Sipman | 2 |
| Sippel | 1 |
| Sips | 12 |
| Siroen | 4 |
| Sirre | 2 |
| Sirwutubun | 1 |
| Sistermann | 1 |
| Sistermanns | 3 |
| Sistermans | 16 |
| Sistig | 2 |
| Sitarz | 1 |
| Sitie | 1 |
| Sitijamah | 1 |
| Sitoela | 1 |
| Sitsen | 1 |
| Sittard, van | 1 |
| Sittarz | 1 |