| Surname | Spouses |
|---|---|
|
O'Neill
|
1 |
|
O'Reilly
|
1 |
|
Odegaard
|
1 |
|
Oen
|
1 |
|
Ofigsbø
|
4 |
|
Ohleen
Peterson |
1 1 2 |
|
Oksegrov
|
1 |
|
Olaisdatter
|
2 |
|
Olavsdatter
|
1 |
|
Olavsdotter
|
1 |
|
Olavsen
|
3 |
|
Olsson
|
2 |
|
Oliversdatter
|
1 |
|
Oliversen
|
2 |
|
Olsdatter
|
53 |
|
Olsdotter
|
156 |
|
Olsen
|
80 |
|
Olson
|
81 |
|
Olsen
Olsson |
1 94 95 |
|
Olufsdatter
|
1 |
|
Oppigard
|
6 |
|
Opsahl
Opsal |
17 3 20 |
|
Opsal
|
11 |
|
Ora
|
4 |
|
Orderløkken
|
1 |
|
Orr
|
1 |
|
Orshaug
|
1 |
|
Osborne
|
1 |
|
Osdal
|
12 |
|
Ose
|
7 |
|
Ostby
|
1 |
|
Osvold
|
7 |
|
Osvoll
|
12 |
|
Ottarsdatter
|
1 |
|
Ottarsdotter
Ottesdotter |
2 1 3 |
|
Ottarson
Otteson |
3 2 5 |
|
Otterbog
|
2 |
|
Ottersen
|
2 |
|
Ottesdotter
|
1 |
|
Ottesen
|
3 |
|
Otteson
|
2 |
|
Ottestad
|
1 |
|
Otteson
|
2 |
|
Ovesdatter
|
1 |
|
Owren
|
1 |
|
Oxholm
|
4 |