Commune/Paroisse : Coise-Saint-Jean-Pied-Gauthier [Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | COCHET | 1777-1814 | 2 |
| 2. | COENDET | 1692 | 1 |
| 3. | COHENDET | 1864 | 1 |
| 4. | COIRET/COËRET | 1684 | 1 |
| 5. | COLLOMB | 1854-1886 | 2 |
| 6. | COLOM | 1833 | 1 |
| 7. | COMBAZ | 1814 | 1 |
| 8. | COMBET | 1688-1826 | 3 |
| 9. | COMMANDEUR | 1880 | 1 |
| 10. | COMMOUD/COMMOUX | 1830 | 1 |
| 11. | COMMOUX | 1768-1891 | 47 |
| 12. | COMMOUX/CHABORD | 1834 | 1 |
| 13. | COMMOUZ | 1796 | 1 |
| 14. | COMOUX | 1780-1822 | 9 |
| 15. | COMOZ | 1750 | 1 |
| 16. | CORDEL | 1880 | 1 |
| 17. | CORNUEL | 1848 | 1 |
| 18. | CORSET | 1696 | 1 |
| 19. | COT | 1845-1887 | 2 |
| 20. | COTTET | 1762-1888 | 24 |
| 21. | COTTET (EP) | 1803 | 1 |
| 22. | COUPÉ-LA VIGNE | 1752 | 1 |
| 23. | COUPÉ-LAVIGNE | 1712-1746 | 2 |
| 24. | COUVERT | 1890 | 1 |