Commune/Paroisse : MONSEGUR [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | JABOT | 1820-1866 | 2 | 1 |
| 2. | JACQUET | 1856 | 1 | - |
| 3. | JADEL | 1738 | 1 | - |
| 4. | JAILLES | 1692 | - | 1 |
| 5. | JAMAIN | 1688-1905 | 6 | 6 |
| 6. | JAMET | 1879 | 1 | - |
| 7. | JAMIN | 1733-1888 | 4 | 3 |
| 8. | JANAIN | 1685 | - | 1 |
| 9. | JANIBAUT | 1707 | 1 | - |
| 10. | JANIN | 1696-1705 | 3 | 1 |
| 11. | JANTI | 1700-1701 | - | 2 |
| 12. | JANTIS | 1734 | - | 1 |
| 13. | JANTY | 1692-1907 | 5 | 3 |
| 14. | JAQUET | 1700-1772 | 2 | 1 |
| 15. | JARASSIE | 1867 | - | 1 |
| 16. | JAROUSSE | 1799 | 1 | - |
| 17. | JAUBERT | 1704-1708 | 1 | 1 |
| 18. | JAUSEREAU | 1798 | - | 1 |
| 19. | JAUTEREAU | 1806 | - | 1 |
| 20. | JEAN | 1902 | 1 | - |
| 21. | JEANNEAU | 1847 | 1 | - |
| 22. | JEANTY | 1861-1877 | 1 | 3 |
| 23. | JEMARD | 1743 | 1 | - |
| 24. | JOACHIM | 1700-1819 | 1 | 1 |
| 25. | JOACHIM RAOUL | 1901 | - | 1 |
| 26. | JOASSIN | 1813 | 1 | - |
| 27. | JOLLER | 1799 | 1 | - |
| 28. | JOLLES | 1850 | 1 | - |
| 29. | JOLLIT | 1708 | 1 | - |
| 30. | JOLLY | 1793-1894 | 2 | 3 |
| 31. | JOLY | 1880 | 1 | - |
| 32. | JORIS | 1741 | - | 1 |
| 33. | JOTEREAU | 1800 | - | 1 |
| 34. | JOTREAU | 1804 | - | 1 |
| 35. | JOURDAN | 1683-1904 | 8 | 5 |
| 36. | JOUSSEAUME | 1691-1896 | 10 | 7 |
| 37. | JOUTEREAU | 1752 | - | 1 |
| 38. | JOUVION | 1850-1892 | 3 | 1 |
| 39. | JUDE | 1700-1848 | 5 | 2 |
| 40. | JULIOT | 1798-1826 | 1 | 1 |
| 41. | JULLIOT | 1802-1861 | 6 | 1 |
| 42. | JUTAU | 1767 | 1 | - |