| Surname | Individuals |
|---|---|
|
O'Hare
|
1 |
|
Odijk
|
1 |
|
Oede
|
1 |
|
Oliviersdr
|
1 |
|
Olsthoorn
|
1 |
|
Ommelet
|
1 |
|
Onderwater
|
4 |
|
Onings
|
2 |
|
Oosterveen
|
2 |
|
Op de Poldervaert
|
4 |
|
Ophof
|
1 |
|
Otto
|
2 |
|
Oudewater
|
2 |
|
Oudt
|
3 |
|
Overes
|
1 |
|
Overgaag
|
3 |
|
Oversloot
|
2 |
|
Overveen
|
1 |
|
van Odo
|
1 |
|
von Oldenburg
|
2 |