Commune/Paroisse : Poisy [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COCHET | 1763 | 1 | - |
| 2. | COHENDET | 1669-1853 | 2 | 3 |
| 3. | COLLOMB | 1725 | - | 2 |
| 4. | COLLOMBAT | 1632-1840 | 4 | 6 |
| 5. | COLLOMBAZ | 1671-1851 | 2 | - |
| 6. | COLOMBAT | 1744-1766 | 1 | 1 |
| 7. | COLOMBAZ | 1846 | - | 1 |
| 8. | COLONGE | 1816 | 1 | - |
| 9. | COMBERT | 1823 | 1 | - |
| 10. | COMBET | 1858-1886 | 1 | 2 |
| 11. | COMBEY | 1876-1888 | - | 3 |
| 12. | CORBIER | 1643 | 1 | - |
| 13. | COSTER | 1875-1877 | 2 | - |
| 14. | COSTES | 1811 | 1 | - |
| 15. | COUDURIER | 1662 | - | 1 |
| 16. | COUTURIER | 1738-1840 | 2 | - |