Achternamen
| Achternaam | Aantal |
|---|---|
| Olischlagers | 4 |
| Olislaeger | 1 |
| Olislaegers | 1 |
| Olislagers | 35 |
| Olivers | 28 |
| Olivier | 19 |
| Oliviers | 2 |
| Olivo | 1 |
| Oljans | 2 |
| Ollers | 1 |
| Ollertz | 1 |
| Ollitrault de Keryvallan | 1 |
| Olmen, van | 2 |
| Olmetschenko | 1 |
| Olminkhof | 1 |
| Olphen, van | 2 |
| Olsem | 1 |
| Olsen | 1 |
| Olst, van | 2 |
| Olsthoorn | 6 |
| Olszak | 3 |
| Olszewski | 1 |
| Oltheten | 1 |
| Olthof | 5 |
| Olthoff | 2 |