Commune/Paroisse : LA RIVIERE [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | SABIT | 1933 | 1 | - |
| 2. | SABRON | 1877-1900 | 1 | 2 |
| 3. | SABY | 1823-1847 | 1 | 1 |
| 4. | SAINCRIP | 1713 | 1 | - |
| 5. | SAIRE | 1800 | 1 | - |
| 6. | SALAS | 1940 | - | 1 |
| 7. | SALIS | 1886 | - | 1 |
| 8. | SAMEGIE | 1849 | - | 1 |
| 9. | SARRAZIN | 1813 | 1 | - |
| 10. | SAUTET | 1722 | - | 1 |
| 11. | SAUX | 1775 | 1 | - |
| 12. | SEGUIN | 1838 | 1 | - |
| 13. | SEIGNAURET | 1712 | 1 | - |
| 14. | SEIZE | 1794-1843 | 2 | 1 |
| 15. | SERIAT | 1714-1760 | 1 | 2 |
| 16. | SERQUIN | 1779 | 1 | - |
| 17. | SERVAN | 1785-1827 | 1 | 1 |
| 18. | SEURIN | 1700-1933 | 6 | 8 |
| 19. | SEURT | 1823 | 1 | - |
| 20. | SEVREAU | 1769 | - | 1 |
| 21. | SEYCHEZ | 1713 | - | 1 |
| 22. | SIAUD | 1769 | 1 | - |
| 23. | SICOT | 1694-1722 | 1 | 1 |
| 24. | SIGALAS | 1721-1764 | 2 | - |
| 25. | SIGNAC | 1798 | 1 | - |
| 26. | SIGNAT | 1712-1882 | 6 | 3 |
| 27. | SIMARD | 1929 | 1 | - |
| 28. | SIMON | 1767 | - | 1 |
| 29. | SIREY | 1796-1898 | 8 | 5 |
| 30. | SORBE | 1864-1900 | 3 | 2 |
| 31. | SOUBE | 1921 | - | 1 |
| 32. | SOULAC | 1714 | - | 1 |
| 33. | SOULARE | 1715 | - | 1 |
| 34. | SOURILLON | 1913 | - | 1 |
| 35. | SOURMIER | 1704 | 1 | - |
| 36. | SOURTEBISE | 1763 | - | 1 |
| 37. | SUDRAT | 1828 | - | 1 |
| 38. | SUDRE | 1750 | 1 | - |
| 39. | SUPILLAT | 1826 | - | 1 |
| 40. | SUREAU | 1726-1767 | 1 | 1 |
| 41. | SURIN | 1703-1849 | 1 | 2 |
| 42. | SUTHON | 1693 | - | 1 |
| 43. | SUZE | 1794 | - | 1 |