Commune/Paroisse : Castelnau-Rivière-Basse [Hautes-Pyrénées] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | LABADIE | 1776 | 1 | - |
| 2. | LABARRERE | 1781 | 1 | - |
| 3. | LABARTHE | 1791 | 1 | - |
| 4. | LABENETTE | 1784 | - | 1 |
| 5. | LABINETTE | 1791 | - | 1 |
| 6. | LABOUBÉE | 1738-1776 | 4 | 1 |
| 7. | LABURTHE | 1788 | 1 | - |
| 8. | LACARRERE | 1785 | - | 2 |
| 9. | LACARTIADE | 1768 | 1 | - |
| 10. | LACAZE | 1770-1789 | 3 | - |
| 11. | LACOSTE | 1776-1778 | 2 | - |
| 12. | LACROIX | 1744-1789 | 2 | 3 |
| 13. | LAÉNA | 1771 | - | 1 |
| 14. | LAFITTE | 1737-1789 | 7 | 9 |
| 15. | LAFOUR | 1788 | - | 1 |
| 16. | LAFOURCADE | 1788 | - | 1 |
| 17. | LAGRANGE | 1737-1738 | 1 | 1 |
| 18. | LAHENS | 1738 | 1 | - |
| 19. | LALANNE | 1737-1774 | 1 | 4 |
| 20. | LAMARQUE | 1773 | - | 1 |
| 21. | LAMAZOUADE | 1742-1785 | 1 | 3 |
| 22. | LANEFOIR | 1774 | 1 | - |
| 23. | LANOLE | 1784 | - | 1 |
| 24. | LANUSSE | 1770-1786 | 2 | 1 |
| 25. | LANUSSOL | 1786 | 1 | - |
| 26. | LAPORTERE | 1737 | - | 1 |
| 27. | LARCADE | 1773-1778 | - | 2 |
| 28. | LARRIBAUT | 1774 | - | 1 |
| 29. | LARROQUE | 1740 | 1 | - |
| 30. | LARTIGUE | 1773 | 1 | - |
| 31. | LASBATS | 1770-1782 | 2 | 1 |
| 32. | LASSALE | 1782 | - | 1 |
| 33. | LASSERRE | 1774 | - | 1 |
| 34. | LASSERRE (DE) | 1784 | 1 | - |
| 35. | LAUBADERE | 1775-1784 | - | 2 |
| 36. | LAUBURGUET | 1772 | - | 1 |
| 37. | LAUZIN | 1774 | - | 1 |
| 38. | LEBERON | 1777 | - | 1 |
| 39. | LERM | 1785 | 1 | - |
| 40. | LESPINASSE | 1782 | 1 | - |
| 41. | LOUBATERES | 1744-1772 | - | 2 |
| 42. | LOUMAIGNE | 1786 | - | 1 |
| 43. | LUBORIE (DE) | 1740 | - | 1 |
