Achternamen
| Achternaam | Aantal |
|---|---|
| Sep | 11 |
| Sepaniak | 1 |
| Sepers | 1 |
| Sepsanie | 1 |
| Séra, de | 1 |
| Serafani | 1 |
| Serbrock | 2 |
| Seré | 1 |
| Serée | 1 |
| Serfhos | 1 |
| Sergeant | 2 |
| Sergeys | 1 |
| Sergier | 1 |
| Sergijsels | 1 |
| Sergoynne | 1 |
| Serière du Bisourner, de | 1 |
| Serière du Bisournet, de | 3 |
| Serigiers | 1 |
| Serlet | 1 |
| Sermon | 1 |
| Serneels | 5 |
| Seroo | 10 |
| Serpenti | 5 |
| Serpentier | 1 |
| Serra | 1 |