Achternamen
| Achternaam | Aantal |
|---|---|
| Swijsen | 1 |
| Swilden | 21 |
| Swillen | 2 |
| Swillens | 104 |
| Swillens (Schwillens) | 1 |
| Swinckels | 4 |
| Swinckels de Posen, 't | 1 |
| Swinckens | 1 |
| Swinderen, van | 1 |
| Swinkels | 100 |
| Swinne | 1 |
| Swinnen | 46 |
| Swinters | 1 |
| Switters | 1 |
| Switzar | 2 |
| Swoboda | 1 |
| Swol, van | 2 |
| Swolfs | 3 |
| Swtizar | 1 |
| Swüste | 2 |
| Sy | 1 |
| Syben | 4 |
| Sybers | 4 |
| Sykora | 1 |
| Symaes | 1 |