Commune/Paroisse : IZON [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | JACA Y ALAMAN | 1932 | 1 | - |
| 2. | JACOB | 1701 | 1 | - |
| 3. | JACQUES | 1718-1835 | 3 | 1 |
| 4. | JACQUET | 1918-1920 | - | 3 |
| 5. | JAFFARD | 1838 | 1 | - |
| 6. | JAHAN | 1801-1894 | 3 | - |
| 7. | JANAILLAC | 1921 | 1 | - |
| 8. | JAND | 1942 | 1 | - |
| 9. | JANDEAU | 1744 | - | 1 |
| 10. | JANET | 1744-1881 | 5 | - |
| 11. | JARLAN | 1663 | - | 1 |
| 12. | JARRIGE | 1702-1899 | 12 | 9 |
| 13. | JAUBERT | 1786-1915 | 4 | - |
| 14. | JAUMOUILLE | 1917 | 1 | - |
| 15. | JEAN | 1834-1884 | 3 | 2 |
| 16. | JEANNET | 1805-1922 | 3 | 5 |
| 17. | JEANNOT | 1909 | - | 1 |
| 18. | JEMIN | 1654 | 2 | - |
| 19. | JENSEN | 1921 | 1 | - |
| 20. | JOANNET | 1770 | 1 | - |
| 21. | JODEAU | 1882-1900 | 1 | 1 |
| 22. | JOFFRE | 1688-1778 | 1 | 6 |
| 23. | JOHNSON | 1919 | 1 | - |
| 24. | JOLET | 1701 | - | 1 |
| 25. | JOLIT | 1690 | 1 | - |
| 26. | JOLY | 1679-1699 | - | 3 |
| 27. | JONQUET | 1862 | - | 1 |
| 28. | JOSAN | 1718-1870 | 4 | 6 |
| 29. | JOSEPH | 1808 | 1 | - |
| 30. | JOSSELIN | 1906 | 1 | - |
| 31. | JOUANET | 1756 | 1 | - |
| 32. | JOUANNETAUD | 1919 | - | 1 |
| 33. | JOURDA | 1856 | 1 | - |
| 34. | JOURDAIN | 1681 | - | 1 |
| 35. | JOURDAN | 1712-1866 | 3 | - |
| 36. | JOYEUX | 1949 | - | 1 |
| 37. | JOZAN | 1690-1832 | 4 | 3 |
| 38. | JUSAN | 1691 | 1 | - |
| 39. | JUSTIN | 1869-1921 | 1 | 3 |
| 40. | JUZAN | 1691-1704 | 1 | 1 |