Commune/Paroisse : Massongy [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | JACQUER | 1751 | 1 | - |
| 2. | JACQUIER | 1641-1748 | 2 | 2 |
| 3. | JANIN | 1693-1820 | 2 | 1 |
| 4. | JAQUEMOND | 1785 | - | 1 |
| 5. | JAQUENOT | 1697 | - | 1 |
| 6. | JAQUET | 1600-1765 | 4 | - |
| 7. | JAQUIER | 1678-1805 | 7 | 11 |
| 8. | JARDY | 1814 | - | 1 |
| 9. | JODON | 1684 | - | 1 |
| 10. | JOLIBOIS | 1815 | 1 | - |
| 11. | JORDAN | 1623 | - | 1 |
| 12. | JOURDAN | 1700-1788 | 1 | 1 |
| 13. | JULLIOT | 1811-1860 | 1 | 1 |