Notaire : Frelinghien [59]
| Patronymes | Périodes | Couples | |
|---|---|---|---|
| 1. | OBERT | 1703 | 1 |
| 2. | OBIN | 1710 | 1 |
| 3. | OBSON | 1712 | 1 |
| 4. | ODOUX | 1736 | 2 |
| 5. | OFROG | 1784 | 1 |
| 6. | OISEIL | 1709-1713 | 2 |
| 7. | OISEL | 1729 | 1 |
| 8. | OISELLE | 1730-1742 | 5 |
| 9. | OIZELLE | 1749-1775 | 3 |
| 10. | OLIVIER | 1702-1813 | 11 |
| 11. | ORNAER | 1679 | 1 |
| 12. | OST | 1761 | 1 |
| 13. | OUVENAC | 1711-1790 | 3 |
| 14. | OUVRIE | 1795 | 1 |
| 15. | OUVRY | 1709-1807 | 6 |
| 16. | OVELAC | 1710 | 1 |
| 17. | OVELACQUE | 1746 | 1 |
| 18. | OVENAC | 1706-1719 | 2 |
| 19. | OVENACQ | 1730-1734 | 2 |