Commune/Paroisse : Cordon [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | JACCAZ | 1848 | - | 1 |
| 2. | JACOZ | 1625 | 1 | - |
| 3. | JACQUAT | 1816 | - | 1 |
| 4. | JACQUEMIER | 1816 | - | 2 |
| 5. | JACQUOUD | 1795 | 1 | - |
| 6. | JENIN | 1623-1625 | - | 2 |
| 7. | JERDIT | 1798 | 1 | - |
| 8. | JIGUET-COVEX | 1891 | 1 | - |
| 9. | JOGUET | 1784 | - | 1 |
| 10. | JOLY | 1622-1846 | 33 | 27 |
| 11. | JOLY BRUSQUET | 1669 | - | 1 |
| 12. | JOLY GIGUET | 1623 | 1 | - |
| 13. | JOLY TUA | 1666-1759 | 1 | 1 |
| 14. | JOLY TUAZ | 1681-1689 | 2 | 1 |
| 15. | JOLY-POTTU | 1890 | 1 | - |
| 16. | JOND | 1796 | - | 1 |
| 17. | JORDAN | 1736 | - | 1 |
| 18. | JORDANAY | 1728 | 1 | - |