Commune/Paroisse : Sérignac [Tarn-et-Garonne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | COMBALADE | 1855 | 1 |
| 2. | COMBEDOUZE | 1866 | 1 |
| 3. | COMBEDOUZOU | 1881-1884 | 2 |
| 4. | COMBES | 1904-1905 | 2 |
| 5. | COMBRET | 1877-1900 | 4 |
| 6. | CONSTANS | 1880-1899 | 10 |
| 7. | COSTES | 1876 | 2 |
| 8. | COUDERC | 1863 | 1 |
| 9. | COUMET | 1904-1905 | 4 |
| 10. | COUREAU | 1854-1892 | 23 |
| 11. | COURTIADE | 1855-1882 | 5 |
| 12. | COUSI | 1873 | 1 |
| 13. | COUSTURIAN | 1902 | 1 |
| 14. | COUSY | 1868 | 1 |
| 15. | COUZI | 1862 | 1 |
