Commune/Paroisse : Pontacq [Pyrénées-Atlantiques]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COCQ | 1831 | - | 1 |
| 2. | COHOU | 1842-1849 | 1 | 2 |
| 3. | COHOU CHARLOT | 1851 | - | 1 |
| 4. | COLINET | 1793-1890 | 16 | 8 |
| 5. | COLLET | 1870 | - | 1 |
| 6. | COLLINET | 1868 | - | 1 |
| 7. | COLMAN | 1812-1820 | 2 | - |
| 8. | COMAT | 1853-1881 | 1 | 1 |
| 9. | COMAT DIT MONTANÉ | 1855 | - | 1 |
| 10. | COQUILLON | 1864 | - | 1 |
| 11. | CORBERES DIT BARADAT | 1799 | - | 1 |
| 12. | CORNALÉ | 1809 | - | 1 |
| 13. | CORNEILLE | 1824 | 1 | - |
| 14. | COSTA | 1844-1874 | 1 | 1 |
| 15. | COSTE | 1876 | 1 | - |
| 16. | COT | 1887 | 1 | - |
| 17. | COUAT | 1794-1836 | 2 | - |
| 18. | COUFFITTE | 1809 | 1 | - |
| 19. | COUGET | 1819 | - | 1 |
| 20. | COULAT | 1880 | - | 1 |
| 21. | COULAÜ | 1807 | 1 | - |
| 22. | COULINET | 1804 | 1 | - |
| 23. | COUPAU | 1824-1891 | 3 | 4 |
| 24. | COUPEAU | 1868 | 1 | - |
| 25. | COURAU | 1805-1881 | 4 | 4 |
| 26. | COURET | 1814-1897 | 16 | 14 |
| 27. | COURREGES | 1883-1891 | 2 | 2 |
| 28. | COURREGES DIT SOURT | 1808 | - | 1 |
| 29. | COURREJOU | 1883 | 1 | - |
| 30. | COURTADE | 1798-1896 | 11 | 9 |
| 31. | COURTIES | 1798-1828 | - | 3 |
| 32. | COURTIÉ | 1873 | - | 1 |
| 33. | COUSTAU | 1798-1870 | 7 | 3 |
| 34. | COUSTEAU | 1851-1883 | 1 | 1 |
| 35. | COUSTERE LANNE | 1799 | 1 | - |
| 36. | COUSTERE LUQUET | 1817 | 1 | - |
| 37. | COUSTERES | 1850 | - | 1 |
| 38. | COUTEAUD | 1872 | 1 | - |
| 39. | COUTHOUILHE | 1797 | - | 1 |
| 40. | COUTURE | 1862 | - | 1 |