Mariages
Commune/Paroisse : Léognan [Gironde] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | DUCA | 1824 | - | 1 |
| 2. | DUCASSE | 1682-1837 | - | 4 |
| 3. | DUCAUD | 1856 | - | 1 |
| 4. | DUCHEMIN | 1919 | 1 | - |
| 5. | DUCOL | 1830 | - | 1 |
| 6. | DUCOM | 1876 | 1 | - |
| 7. | DUCONGE | 1746 | - | 1 |
| 8. | DUCOS | 1679-1912 | 12 | 13 |
| 9. | DUCOURNAU | 1699 | 1 | - |
| 10. | DUCOURNEAU | 1688-1914 | 9 | 3 |
| 11. | DUCOURT | 1795 | - | 1 |
| 12. | DUCOUT | 1901-1902 | 2 | - |