Commune/Paroisse : RIOCAUD [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | RABEAU | 1842 | - | 1 |
| 2. | RAGONDE | 1927-1937 | - | 3 |
| 3. | RAGOT | 1894-1921 | - | 2 |
| 4. | RAMBAUD | 1837-1940 | 1 | 1 |
| 5. | RAMBEAUD | 1806-1849 | 1 | 1 |
| 6. | RAMON | 1848 | - | 1 |
| 7. | RANNION | 1827 | 1 | - |
| 8. | RAYMON | 1829 | 1 | - |
| 9. | RAYMOND | 1796-1887 | 3 | 2 |
| 10. | REBEYROLLE | 1839-1886 | 1 | 5 |
| 11. | REPEYROUX | 1822 | - | 1 |
| 12. | REYMONDIE | 1911 | - | 1 |
| 13. | REYNAUD | 1908 | 1 | - |
| 14. | REYNIER | 1920 | 1 | - |
| 15. | RIAU | 1912 | 1 | - |
| 16. | RICCI | 1935 | 1 | - |
| 17. | ROBERT | 1808-1919 | 2 | - |
| 18. | ROBIN | 1817-1833 | 3 | 3 |
| 19. | ROBINEAU | 1896 | 1 | - |
| 20. | RODE | 1810 | 1 | - |
| 21. | ROIGIER | 1869 | 1 | - |
| 22. | RONAUD | 1824 | 1 | - |
| 23. | RONDET | 1910 | 1 | - |
| 24. | ROQUECARE | 1805 | 1 | - |
| 25. | ROQUECAVE | 1865 | - | 1 |
| 26. | ROUBEYROTTE | 1808 | 1 | - |
| 27. | ROUBINEAU | 1878-1914 | 2 | 2 |
| 28. | ROULIER | 1791 | - | 1 |
| 29. | ROUSSEL | 1903-1929 | 1 | 1 |
| 30. | ROUX | 1879-1908 | 1 | 1 |
| 31. | ROUZIER | 1813-1822 | - | 2 |
| 32. | ROY | 1832 | 1 | - |
| 33. | RUPERT | 1938 | - | 1 |