Commune/Paroisse : Seyssel [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | L'ALLEMAND | 1740 | 1 | - |
| 2. | LA GARDE | 1800 | - | 1 |
| 3. | LACARERE | 1768 | - | 1 |
| 4. | LACHENAL | 1738-1886 | 6 | 2 |
| 5. | LACOMBE | 1755-1876 | 2 | 2 |
| 6. | LACROIX | 1776 | 1 | - |
| 7. | LAFAVERGE | 1854 | - | 1 |
| 8. | LAFAVERGES | 1863-1880 | 1 | 1 |
| 9. | LAFOND | 1753-1813 | 4 | 6 |
| 10. | LAFONTAINE | 1838-1852 | 2 | 1 |
| 11. | LAGARDE | 1768-1799 | 2 | 1 |
| 12. | LAGNON | 1764 | - | 1 |
| 13. | LAGROS | 1765 | - | 1 |
| 14. | LAIME | 1777 | 1 | - |
| 15. | LALLEMENT | 1760 | - | 1 |
| 16. | LALOMON | 1738 | - | 1 |
| 17. | LALUSSIERE | 1801 | - | 1 |
| 18. | LAMAISON | 1812-1889 | 1 | 5 |
| 19. | LAMBERT | 1889 | - | 1 |
| 20. | LANGIN | 1873 | 1 | - |
| 21. | LANSARD | 1859-1885 | 1 | 1 |
| 22. | LAPERRIERE | 1768-1879 | 10 | 6 |
| 23. | LAPLACE | 1752-1889 | 8 | 6 |
| 24. | LARDERAZ | 1760 | 1 | - |
| 25. | LARESSE | 1744-1752 | - | 2 |
| 26. | LARRESSE | 1813 | 1 | - |
| 27. | LASAUSSE | 1739 | - | 1 |
| 28. | LASNET | 1806 | - | 1 |
| 29. | LASSALLE | 1821-1879 | 1 | 1 |
| 30. | LAVERRIERE | 1865 | 1 | - |
| 31. | LAVILLETTE | 1746-1761 | 1 | 1 |
| 32. | LEDOUX | 1745 | - | 1 |
| 33. | LEGER | 1743-1851 | 10 | 6 |
| 34. | LEMORO | 1813 | 1 | - |
| 35. | LEON | 1874 | - | 1 |
| 36. | LEONADIE | 1846 | - | 1 |
| 37. | LEONARD | 1770 | 1 | - |
| 38. | LEPELY | 1837 | 1 | - |
| 39. | LERGES | 1883 | - | 1 |
| 40. | LEROYDUBARDON | 1798 | - | 1 |
| 41. | LETANG | 1855 | - | 1 |
| 42. | LEVEQUE | 1806 | - | 1 |
| 43. | LEVET | 1753 | - | 1 |
| 44. | LIAUDON | 1856-1857 | 2 | 1 |
| 45. | LIEVRE | 1751 | - | 1 |
| 46. | LOGNOZ | 1820-1878 | - | 3 |
| 47. | LONGUEVILLE | 1753-1797 | 1 | 3 |
| 48. | LOVENY | 1782 | 1 | - |
| 49. | LOVON | 1771 | 1 | - |
| 50. | LUPIN | 1756-1831 | 2 | 1 |
| 51. | LYONNOIS | 1750 | 1 | - |