Commune/Paroisse : YVRAC [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COFFRE | 1792 | 1 | - |
| 2. | COIFFARD | 1683-1838 | 7 | 5 |
| 3. | COLAS | 1770 | 1 | - |
| 4. | COLES | 1859 | - | 1 |
| 5. | COLLES | 1857-1907 | 1 | 1 |
| 6. | COMBRET | 1680-1718 | 2 | 4 |
| 7. | CONDAT | 1849 | 1 | - |
| 8. | CONEYRON | 1815 | 1 | - |
| 9. | CONSOR | 1703 | 1 | - |
| 10. | CONSTANT | 1707 | - | 1 |
| 11. | CONSTANTIN | 1775-1877 | 3 | 2 |
| 12. | CONTE | 1707 | 1 | - |
| 13. | CORAILLAC | 1750 | 2 | - |
| 14. | CORDES | 1683-1869 | 1 | 2 |
| 15. | CORNET | 1823-1879 | 2 | 1 |
| 16. | COSTE | 1719 | - | 1 |
| 17. | COT | 1848 | 1 | - |
| 18. | COTELETTE | 1890 | 1 | - |
| 19. | COUAILLAC | 1716 | - | 1 |
| 20. | COUDET | 1910 | 1 | - |
| 21. | COUDOUIN | 1740 | - | 1 |
| 22. | COULES | 1742-1754 | 1 | 1 |
| 23. | COUPE | 1904 | 1 | - |
| 24. | COURBIN | 1895 | 1 | - |
| 25. | COUREGES | 1768 | 1 | - |
| 26. | COURNET | 1775 | - | 1 |
| 27. | COURREGE | 1826 | 1 | - |
| 28. | COURT | 1701-1862 | 4 | 8 |
| 29. | COUTIN | 1779 | 1 | - |
| 30. | COUTURAS | 1876-1888 | - | 2 |
| 31. | COUVAT | 1887 | - | 1 |