Commune/Paroisse : Saint-Léon-sur-l'Isle [Dordogne] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | SABOUROUX | 1822 | 1 | - |
| 2. | SABUS | 1851 | 1 | - |
| 3. | SAINT AULAIRE (de) | 1657 | 1 | - |
| 4. | SALESSE | 1625-1824 | 15 | 18 |
| 5. | SALLESSE | 1685 | - | 1 |
| 6. | SALUSE | 1817 | - | 1 |
| 7. | SALV… (?) | 1662 | - | 1 |
| 8. | SAMY | 1815 | - | 1 |
| 9. | SANDOUTE | 1657 | - | 1 |
| 10. | SARTIER | 1691 | - | 1 |
| 11. | SARTOME | 1864 | - | 1 |
| 12. | SARTONNE | 1893 | - | 1 |
| 13. | SAUTARD | 1683 | - | 1 |
| 14. | SAUVAIN | 1877 | 1 | - |
| 15. | SCHORT * | 1819 | 1 | - |
| 16. | SENECHOU | 1680 | - | 1 |
| 17. | SENREMS | 1841-1842 | 2 | - |
| 18. | SENREN | 1775-1802 | 2 | 3 |
| 19. | SENREN de | 1747 | 1 | - |
| 20. | SENREND | 1753 | - | 1 |
| 21. | SENRENS | 1627-1811 | 5 | 2 |
| 22. | SERVENTIE | 1900 | 1 | - |
| 23. | SEYRA | 1744-1786 | 2 | - |
| 24. | SEYRAC | 1734-1820 | 3 | 5 |
| 25. | SEYRAT | 1657-1901 | 9 | 10 |
| 26. | SEYRAT Leonarde | 1870 | - | 1 |
| 27. | SEYRHAT | 1642 | 1 | - |
| 28. | SIBILLOU | 1624-1745 | 3 | 2 |
| 29. | SIBILLOUX | 1695 | 1 | - |
| 30. | SIBILOUX | 1740 | - | 1 |
| 31. | SIBINLOU | 1625 | 1 | - |
| 32. | SIMENON | 1690 | 1 | - |
| 33. | SIMEON | 1835 | - | 1 |
| 34. | SIMON | 1643-1860 | 5 | 2 |
| 35. | SIMONET | 1655-1826 | 1 | 3 |
| 36. | SIMONNET | 1627-1722 | 2 | 2 |
| 37. | SIMOUNET | 1687 | 1 | - |
| 38. | SIRONGE | 1850 | - | 1 |
| 39. | SIRVANTON | 1825-1858 | 1 | 1 |
| 40. | SIRVENTON | 1818 | - | 2 |
| 41. | SOBILLOU | 1651 | - | 1 |
| 42. | SORBES | 1851 | 1 | - |
| 43. | SOULIER | 1891 | - | 1 |
| 44. | SOUTET | 1767 | - | 1 |
| 45. | SUDREAU | 1675 | - | 1 |
| 46. | SUDRIE | 1627-1829 | 7 | 7 |
| 47. | SUDRY | 1770 | 1 | - |