Mariages
Commune/Paroisse : Decazeville [Aveyron] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | BLABIEL | 1874 | - | 1 |
| 2. | BLACHON | 1836 | 1 | - |
| 3. | BLADIEL | 1857 | - | 1 |
| 4. | BLADOU | 1864-1896 | 1 | 1 |
| 5. | BLAISE | 1854 | 1 | - |
| 6. | BLANC | 1837-1899 | 13 | 9 |
| 7. | BLANCHARD | 1845 | - | 1 |
| 8. | BLANIE | 1870 | 2 | - |
| 9. | BLANIER | 1884 | - | 1 |
| 10. | BLANQUI | 1890 | 1 | - |
| 11. | BLANQUIES | 1853-1884 | 3 | 5 |
| 12. | BLATVIEL | 1855 | - | 1 |
| 13. | BLAY | 1876 | - | 1 |
| 14. | BLEU | 1868 | 1 | - |
| 15. | BLEY | 1846-1865 | - | 3 |
| 16. | BLONDIN | 1885 | - | 1 |
| 17. | BLONDINE | 1874 | - | 1 |