| Surname | Individuals |
|---|---|
|
Obrie
|
2 |
|
van Oderkerken
|
1 |
|
Okkerse
|
12 |
|
Oldendorp
|
1 |
|
Olsthoorn
|
2 |
|
Onderwater
van Onderwater |
19 1 20 |
|
Oostdam
|
14 |
|
Oosterlaan
|
2 |
|
Oosterwijk
|
1 |
|
Opdam
|
3 |
|
van Ophuijzen
|
2 |
|
Otte
|
1 |
|
Otten
|
1 |
|
Oubrie
|
1 |
|
den Ouden
|
1 |
|
Ouderkerk
|
1 |
|
Oudshoorn
|
3 |
|
Outshoorn
|
1 |
|
Outsloot
|
1 |
|
Overdevest
|
24 |
|
Overeem
|
6 |
|
Overmeer
|
1 |