Commune/Paroisse : Thonon-les-Bains [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | SICCARD | 1672 | 1 |
| 2. | SICILLION | 1610 | 1 |
| 3. | SICRE | 1866 | 1 |
| 4. | SIDOIN | 1869 | 1 |
| 5. | SILVESTRE | 1616-1653 | 6 |
| 6. | SIMEON | 1631 | 1 |
| 7. | SIMON | 1688-1892 | 12 |
| 8. | SIMOND | 1643-1892 | 7 |
| 9. | SIOR | 1621-1624 | 2 |
| 10. | SIORD | 1635-1648 | 3 |
| 11. | SIORDAZ | 1629 | 1 |
| 12. | SIROT | 1872 | 1 |
| 13. | SISSET | 1632 | 1 |
| 14. | SIVERA | 1900 | 1 |