Commune/Paroisse : RIOCAUD [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | FARFAL | 1922 | - | 1 |
| 2. | FAUCHER | 1803-1875 | 8 | 6 |
| 3. | FAURE | 1846-1941 | 2 | 2 |
| 4. | FAVEREAU | 1826 | 1 | - |
| 5. | FAYE | 1797-1850 | 1 | 2 |
| 6. | FELIX | 1795 | - | 1 |
| 7. | FELON | 1812 | 1 | - |
| 8. | FERAIDE | 1813 | - | 1 |
| 9. | FERCHAU | 1825 | 1 | - |
| 10. | FERCHAUD | 1832-1835 | - | 2 |
| 11. | FEREYROL | 1871 | 1 | - |
| 12. | FERMIGIER | 1842 | 1 | - |
| 13. | FERREYROL | 1882 | - | 1 |
| 14. | FEUGIER | 1816 | 1 | - |
| 15. | FIMBAUT | 1935 | - | 1 |
| 16. | FLOURET | 1795-1861 | 1 | 1 |
| 17. | FOURNAU | 1804 | 1 | - |
| 18. | FOURNAUD | 1942 | 1 | - |
| 19. | FOURNEAU | 1859-1896 | 2 | 1 |
| 20. | FOURNEAUD | 1921 | 1 | - |
| 21. | FRAICHAUD | 1822 | 1 | - |
| 22. | FRAICHE | 1833 | - | 1 |
| 23. | FRESSINGEAS | 1927 | 1 | - |
| 24. | FRETILLIERE | 1795 | 1 | - |