| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Ouvrier, d' | 2 | Overvliet | 1 |
| Ouwehand | 1 | Overwater | 3 |
| Ouwerkerk | 1 | Overweel | 1 |
| Ovart | 2 | Overwelde, van | 1 |
| Oven, von | 2 | Overzee | 5 |
| Ovenbrugge, d' | 1 | Ow zu Wachtendorf, von | 1 |
| Ovenbrugge de Duras, d' | 1 | Owain ap Gruffydd | 1 |
| Overdam | 2 | Owain Gwynedd, ab | 5 |
| Overdijk | 3 | Owen, ap | 1 |
| Overduin | 1 | Owstien, von | 14 |
| Overkamp | 1 | Oxenbridge | 1 |
| Overliese | 1 | Oxener | 1 |
| Overloop, van | 2 | Oyarzàbal y Sagastume | 1 |
| Overman | 1 | Oyly, d' | 1 |
| Overmars | 1 | Oyly, ter | 1 |