Commune/Paroisse : FRONTENAC [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | LABARBE | 1872 | - | 1 |
| 2. | LABARRE | 1902 | 1 | - |
| 3. | LABAT | 1849-1867 | 1 | 1 |
| 4. | LABATUT | 1727 | 1 | - |
| 5. | LABAUT | 1701 | 1 | - |
| 6. | LABAYLE | 1910 | 2 | - |
| 7. | LABORY | 1815 | - | 1 |
| 8. | LABRIE | 1746-1777 | 2 | - |
| 9. | LACOMBE DE | 1754 | 1 | - |
| 10. | LAFARGUE | 1778 | - | 1 |
| 11. | LAFAYE | 1741-1899 | 10 | 5 |
| 12. | LAFFAYE | 1730-1807 | 3 | 1 |
| 13. | LAFFITE | 1760 | 1 | - |
| 14. | LAFFON | 1725-1757 | 2 | 2 |
| 15. | LAFFREDE | 1771 | 1 | - |
| 16. | LAFON | 1728-1884 | 2 | 1 |
| 17. | LAFOURCADE | 1882-1903 | 3 | - |
| 18. | LAGARDE | 1881 | 1 | - |
| 19. | LAGUE | 1789-1818 | 1 | 1 |
| 20. | LALANNE | 1902 | 1 | - |
| 21. | LAMAISON | 1878 | - | 1 |
| 22. | LAMBERT | 1642-1745 | 2 | 1 |
| 23. | LAMOTE | 1798 | - | 1 |
| 24. | LAMOTHE | 1770 | 1 | - |
| 25. | LANDOUCH | 1701-1720 | 1 | 1 |
| 26. | LANDOUCHS | 1701 | - | 1 |
| 27. | LANDREAU | 1856 | 1 | - |
| 28. | LANGEL | 1736 | 1 | - |
| 29. | LANSADE | 1642-1852 | 5 | 4 |
| 30. | LAPLANTE | 1828 | 1 | - |
| 31. | LAPORTE | 1701-1890 | 4 | 5 |
| 32. | LAPRIME | 1777 | 1 | - |
| 33. | LARGE | 1910 | - | 1 |
| 34. | LAROCHE | 1642 | - | 1 |
| 35. | LARQUEY | 1732-1793 | 1 | 1 |
| 36. | LARROQUE | 1806 | - | 1 |
| 37. | LASSIME | 1863 | 1 | - |
| 38. | LASSON | 1729-1837 | 4 | 3 |
| 39. | LASSUS | 1786 | 1 | - |
| 40. | LATEYRON | 1726 | - | 1 |
| 41. | LATTES | 1864 | 1 | - |
| 42. | LAULEY | 1785 | - | 1 |
| 43. | LAURENS DE | 1755 | 1 | - |
| 44. | LAURENT | 1810-1896 | 3 | 1 |
| 45. | LAVERGNE | 1721-1910 | 4 | 4 |
| 46. | LAVIGNAC | 1875 | 1 | - |
| 47. | LAVILLE | 1844 | 1 | - |
| 48. | LELON | 1828 | 1 | - |
| 49. | LELONG | 1678-1887 | 3 | 2 |
| 50. | LELOUN | 1686 | - | 1 |
| 51. | LERBE | 1753 | - | 1 |
| 52. | LESCOUP | 1908 | 1 | - |
| 53. | LEVIGNE | 1895 | 1 | - |
| 54. | LIBAROS | 1855-1897 | 2 | 1 |
| 55. | LIDOIRE | 1747 | - | 1 |
| 56. | LIDOUENE | 1724 | 1 | - |
| 57. | LIMONIER | 1838-1883 | 1 | 2 |
| 58. | LIONNEAU | 1873 | - | 1 |
| 59. | LIRET | 1794-1837 | 1 | 1 |
| 60. | LIVERSAS | 1879 | - | 1 |
| 61. | LOSTEAU | 1727 | 1 | - |
| 62. | LUMEAU | 1726-1885 | 5 | 6 |