Commune/Paroisse : Multiples communes [Multiple]
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | Odin | 1787 | 1 |
| 2. | Oherenne | 1859 | 1 |
| 3. | Olagny | 1856 | 1 |
| 4. | Olette | 1905 | 2 |
| 5. | Olivier | 1817-1874 | 3 |
| 6. | Omar | 1865-1896 | 2 |
| 7. | Orban | 1730-1891 | 3 |
| 8. | Ortéga | 1792 | 1 |
| 9. | Osselet | 1878 | 1 |
| 10. | Oudart | 1823 | 1 |
| 11. | Overheyden | 1817 | 1 |
| 12. | Overhof | 1880 | 1 |
| 13. | Overlaux | 1796-1826 | 2 |
| 14. | Oyois | 1815 | 1 |