Commune/Paroisse : Châtillon-sur-Cluses [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | FARGEON | 1909 | 1 |
| 2. | FARJON | 1909 | 1 |
| 3. | FAVRA | 1901 | 1 |
| 4. | FAVRE | 1700-1859 | 15 |
| 5. | FLEURY | 1794 | 1 |
| 6. | FONGEALAZ | 1774 | 1 |
| 7. | FONGELLAZ | 1869 | 1 |
| 8. | FORESTIER | 1873-1929 | 2 |
| 9. | FOULAZ | 1837 | 1 |
| 10. | FOULLAZ ( FOULLARD ) | 1838 | 1 |
| 11. | FRALONG | 1738 | 1 |
| 12. | FRANGE | 1889 | 1 |
| 13. | FRELLET | 1817-1923 | 5 |