Mariages
Commune/Paroisse : Decazeville [Aveyron] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | ICHIER | 1872 | 1 | - |
| 2. | IGNACE | 1869-1872 | 1 | 1 |
| 3. | IGOUNENC | 1843 | 1 | - |
| 4. | IMBART | 1892 | - | 1 |
| 5. | IMBERT | 1865-1895 | 8 | 2 |
| 6. | IRISSOU | 1891-1893 | - | 2 |
| 7. | ISSALIS | 1841-1899 | 2 | 7 |
| 8. | ISSALY | 1842-1892 | 7 | 5 |
| 9. | ISSANCHOU | 1858 | 1 | - |
| 10. | ITHIER | 1894 | - | 1 |
| 11. | IZAR | 1842 | 1 | - |
| 12. | IZARD | 1845-1895 | 2 | - |
| 13. | IZOLET | 1868 | 1 | - |
| 14. | IZOULET | 1859-1873 | 1 | 1 |