Commune/Paroisse : Saint-Louis-en-l'Isle [Dordogne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | LACHARTRE | 1831-1885 | 5 |
| 2. | LACHAUD | 1830 | 1 |
| 3. | LACHAUX | 1791-1794 | 4 |
| 4. | LACOMBE | 1785-1905 | 9 |
| 5. | LACOSTE | 1757-1877 | 14 |
| 6. | LACOUR | 1777-1908 | 8 |
| 7. | LADRY | 1836 | 1 |
| 8. | LAFOREST | 1806-1883 | 2 |
| 9. | LAFORET | 1867-1903 | 3 |
| 10. | LAMBERT | 1796-1801 | 2 |
| 11. | LANEAU | 1813 | 1 |
| 12. | LANSADE | 1885 | 1 |
| 13. | LAPEYRE | 1841-1842 | 2 |
| 14. | LAPORTE | 1790-1868 | 2 |
| 15. | LARIVIERE | 1889-1894 | 2 |
| 16. | LARROQUE | 1885 | 1 |
| 17. | LASSARTRE | 1854-1859 | 2 |
| 18. | LATOUR | 1857 | 1 |
| 19. | LAUDET | 1844 | 1 |
| 20. | LAUDU | 1765-1886 | 4 |
| 21. | LAUDUT | 1765 | 1 |
| 22. | LAURIER | 1792 | 1 |
| 23. | LAURIERE | 1001-1909 | 28 |
| 24. | LAUTRETTE | 1905 | 1 |
| 25. | LAVANDIER | 1816-1881 | 3 |
| 26. | LAVANDRIER | 1808-1882 | 3 |
| 27. | LAVAUD | 1802-1848 | 4 |
| 28. | LAVENDIER | 1779 | 1 |
| 29. | LAVERGNE | 1848 | 1 |
| 30. | LAVESQUE | 1762-1878 | 13 |
| 31. | LAVESQUET | 1815-1850 | 5 |
| 32. | LAVIGNAC | 1821 | 1 |
| 33. | LE FÉ | 1879 | 1 |
| 34. | LEMARS | 1846 | 1 |
| 35. | LEOFRONE | 1833 | 1 |
| 36. | LESSALE | 1779 | 1 |
| 37. | LESSALES | 1804-1810 | 2 |
| 38. | LESSALLE | 1783-1790 | 2 |
| 39. | LESSALLES | 1809 | 1 |
| 40. | LESTANG | 1906 | 1 |
| 41. | LEUVINE | 1822 | 1 |
| 42. | LEVEQUE | 1813-1873 | 5 |
| 43. | LEVESQUE | 1808-1809 | 2 |
| 44. | LIMOUZIN LAMOTHE | 1865 | 1 |
| 45. | LINARÈS | 1840 | 1 |
| 46. | LOISEAU | 1856 | 1 |
| 47. | LOISY | 1785-1899 | 6 |
| 48. | LOIZI | 1862-1900 | 5 |
| 49. | LOUASI | 1851 | 1 |
| 50. | LOUIS | 1871-1904 | 3 |