Commune/Paroisse : Desingy [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COINDET | 1897 | 1 | - |
| 2. | COINDOZ | 1862 | 1 | - |
| 3. | COISSARD | 1749-1873 | 1 | 4 |
| 4. | COL | 1902 | 1 | - |
| 5. | COLETA | 1755 | - | 1 |
| 6. | COLLET | 1874 | - | 1 |
| 7. | COMOLE | 1900 | 1 | - |
| 8. | COMPAR | 1887 | 1 | - |
| 9. | COMTE | 1712 | - | 1 |
| 10. | CONIER | 1899 | - | 1 |
| 11. | CONS | 1766-1903 | 7 | 1 |
| 12. | CORNACHON | 1847-1850 | 2 | 1 |
| 13. | CORSET | 1878-1888 | 1 | 1 |
| 14. | CORSIN | 1856 | 1 | - |
| 15. | COSTAZ | 1754-1908 | 7 | 3 |
| 16. | COTTAREL | 1891-1896 | - | 2 |
| 17. | COTTIN | 1799-1905 | 7 | 9 |
| 18. | COUDURIER | 1804 | - | 1 |
| 19. | COURTENAZ | 1706 | - | 1 |
| 20. | COURTOIS | 1823-1858 | 1 | 1 |
| 21. | COUTAVE | 1903 | - | 1 |
| 22. | COUTURIER | 1827-1885 | 3 | 3 |