Commune/Paroisse : Ladevèze-ville et Castets [Gers] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | LABARTERE | 1757 | - | 1 |
| 2. | LABAT | 1785 | - | 1 |
| 3. | LABERON | 1671-1730 | - | 2 |
| 4. | LABORDE | 1695 | - | 1 |
| 5. | LACABANE | 1741 | - | 1 |
| 6. | LACOSTE | 1746-1790 | 4 | - |
| 7. | LACOUR | 1695 | 1 | - |
| 8. | LACOURTIADE | 1692 | - | 1 |
| 9. | LAFFAILLE | 1785 | 1 | - |
| 10. | LAFFARGUE | 1790 | - | 1 |
| 11. | LAFITTE | 1688-1767 | 2 | 1 |
| 12. | LAFONTAN | 1715-1779 | 3 | 2 |
| 13. | LAFORGUE | 1684 | - | 1 |
| 14. | LAFOURCADE | 1747-1789 | 1 | 2 |
| 15. | LAGARDE | 1775-1779 | - | 2 |
| 16. | LAIGNOUX | 1671-1791 | 10 | 11 |
| 17. | LALANNE | 1669-1783 | 20 | 28 |
| 18. | LAMARQUE | 1670-1732 | 6 | 4 |
| 19. | LANACASTETS | 1671-1785 | 13 | 15 |
| 20. | LANARTIE | 1688-1742 | 4 | 3 |
| 21. | LANISSOL | 1684-1790 | 3 | 4 |
| 22. | LANUSSE | 1670-1791 | 1 | 10 |
| 23. | LAPORTE | 1748-1791 | 2 | 3 |
| 24. | LARCADE | 1792 | - | 1 |
| 25. | LARTET | 1760 | 1 | - |
| 26. | LARTIGUE | 1671-1787 | 8 | 9 |
| 27. | LASALLE (DE) | 1738 | - | 1 |
| 28. | LASCOMBES | 1712-1791 | 1 | 2 |
| 29. | LASNACASTETS | 1756 | - | 1 |
| 30. | LASNAVERES | 1674-1792 | 6 | 2 |
| 31. | LASNECASTETS | 1782-1786 | 2 | - |
| 32. | LASPALLES | 1785 | 1 | - |
| 33. | LASSERRE | 1719-1792 | 3 | 1 |
| 34. | LASSINE | 1698 | - | 1 |
| 35. | LATERRADE | 1678-1712 | 1 | 3 |
| 36. | LAVEDAN | 1724 | 1 | - |
| 37. | LESTRADE | 1719-1778 | 1 | 2 |
| 38. | LESTRADE (DE) | 1759 | 1 | - |
| 39. | LESTRADE DE THILADET | 1728 | - | 1 |
| 40. | LESTRADE DESPAUX | 1727 | 1 | - |
| 41. | LEYRUSSE | 1779 | 1 | - |
| 42. | LILLE | 1672 | - | 1 |
| 43. | LOUIT | 1724-1784 | 2 | 1 |
| 44. | LUSSAN | 1711 | - | 1 |
