Commune/Paroisse : Sedan. [Ardennes]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OBLET | 1887 | - | 1 |
| 2. | OBLIN | 1852-1876 | 2 | 1 |
| 3. | ODER | 1869 | - | 1 |
| 4. | OFF | 1852-1872 | 1 | 3 |
| 5. | OLIN | 1861-1874 | - | 2 |
| 6. | OLIVIER | 1851-1890 | 8 | 7 |
| 7. | ORSET | 1853 | 1 | - |
| 8. | ORTANCE | 1873 | - | 1 |
| 9. | OSTAWSKI | 1857-1886 | 1 | 1 |
| 10. | OSTERTAG | 1886 | - | 1 |
| 11. | OTTE | 1874 | - | 1 |
| 12. | OTTELET | 1869 | - | 1 |
| 13. | OUDART | 1854-1882 | 5 | 2 |
| 14. | OUDIN | 1850-1861 | 1 | 1 |
| 15. | OUDINET | 1852-1890 | 7 | 5 |
| 16. | OUSTRIE | 1855-1881 | 1 | 1 |
| 17. | OUZANEAU | 1864 | 1 | - |