| Surname | Individuals |
|---|---|
|
Oldekamp
|
2 |
|
Oldenburger
|
2 |
|
Olsder
|
2 |
|
Oordenbach
|
2 |
|
Oosterling
|
1 |
|
Oosterveld
|
1 |
|
Oosterwoldt
|
1 |
|
Opitz
|
1 |
|
Opperdoes
|
1 |
|
Orzel
|
1 |
|
Ossel
|
1 |
|
Oswald
|
2 |
|
Otten
|
2 |