Mariages
Commune/Paroisse : Castelnau-Rivière-Basse [Hautes-Pyrénées (65)] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | CADES | 1804 | 1 | - |
| 2. | CAMICAS | 1793 | 1 | - |
| 3. | CAPDECOME | 1796 | 1 | - |
| 4. | CASIEUX | 1757 | - | 1 |
| 5. | CASSAET | 1794-1802 | 2 | - |
| 6. | CASSAGNARD | 1798 | - | 1 |
| 7. | CASTAGNÈRES | 1809 | 1 | - |
| 8. | CASTAGNÉRES | 1809 | 1 | - |
| 9. | CASTAING | 1738-1807 | 3 | 5 |
| 10. | CASTETS | 1804 | 1 | - |
| 11. | CASTILLON | 1809 | - | 2 |
| 12. | CAZALA | 1801 | 1 | - |
| 13. | CAZENAVE | 1793-1807 | 2 | 1 |
| 14. | CAZENEUVE | 1795 | - | 1 |
| 15. | CAZIEUX | 1794-1803 | 1 | 1 |
| 16. | CHAUVIN | 1808-1809 | 1 | 1 |
| 17. | CIER | 1794 | 1 | - |
| 18. | CLARAC | 1793-1806 | 1 | 3 |
| 19. | CLARAC-FAGET | 1796 | - | 1 |
| 20. | COCHOUE | 1803 | 1 | - |
| 21. | COMBOUS | 1798 | 1 | - |
| 22. | CURON | 1793-1818 | 1 | 1 |