| Naam | Aantal | Naam | Aantal |
|---|---|---|---|
| Yaeye, De | 1 | Yperen, Van | 4 |
| Yarger | 1 | Ypres, d' | 1 |
| Ydegheem | 1 | Ysebaert | 5 |
| Ydiers | 1 | Ysebrant | 2 |
| Yestra | 1 | Ysenbaert | 2 |
| Yfte, Van | 2 | Ysenbrandt | 1 |
| Ylstra | 1 | Ysewyn | 4 |
| Yngling | 1 | Yvens | 6 |
| York, of | 2 | Yvetot, d' | 3 |
| Yper, van | 5 | YYY | 1 |
| Ypere, Van | 5 | Yzeux, d' | 1 |