| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Suetens | 56 | Swerts | 19 |
| Sülichgau, van | 1 | Swerts | 2 |
| Sully, van | 3 | Swert, De | 4 |
| Suls | 8 | Swevers | 1 |
| Sulz, van | 1 | Swiers | 9 |
| Sulz, von | 1 | Swiggers | 4 |
| Sulzbach, van | 5 | Swinckels | 6 |
| Sundgau, van | 1 | Swinkels | 7 |
| Supplinburg, van | 2 | Swinnen | 100 |
| Supply | 1 | Swinnen | 3 |
| Surings | 4 | Swinnen | 2 |
| Surinx | 1 | Switsers | 2 |
| Susa, van | 2 | Swolfs | 149 |
| Sussex, van | 2 | Swolfs | 10 |
| Sutens | 1 | Swollens | 1 |
| Suter | 1 | Swolles | 7 |
| Sutter | 1 | Swynford | 1 |
| Suy | 2 | Swyvel, Van | 1 |
| Suykens | 1 | Sybens | 2 |
| Suyls | 1 | Syckens | 1 |
| Suys | 4 | Syen | 8 |
| Svannesha | 1 | Syen, 't | 225 |
| Svendsdatter | 1 | Syen, 't | 1 |
| Sverkersson | 1 | Sylverans | 2 |
| Swaef | 1 | Symaes | 62 |
| Swaelen | 2 | Symens | 23 |
| Swaelen | 2 | Symens | 4 |
| Swaenen | 9 | Symons | 17 |
| Swartenbroeckx, Van | 1 | Symons | 1 |
| Sweeck | 3 | Symons | 1 |
| Sweefelt, Van | 1 | Symus | 1 |
| Sweevelt, van | 34 | Synadene | 1 |
| Sweevelt, Van | 14 | Szik-Szent-Kiraly und Krasna-Horka, van | 1 |
| Swerdt, De | 1 | Szilagyi | 1 |
| Swerdts | 1 | Szydłowiecka | 1 |
| Sweren | 1 | Słowiańska | 1 |
| Swert, De | 52 | Słucki | 1 |