| Surname | Individuals |
|---|---|
|
Ibenhof Schjelderup Thomesen
|
1 |
|
Ibsen Qvislin
|
1 |
|
Ilstad
|
1 |
|
Inderberg
|
1 |
|
Ingebrigtsen
|
9 |
|
Irgens
|
2 |
|
Irgens Schøning
|
1 |
|
Isachsen
|
4 |
|
Isachsen Blix
|
2 |
|
Isaksdatter
|
1 |
|
Isaksen
|
2 |
|
Israelsen
|
2 |
|
Iversdatter
|
1 |
|
Iversen
|
9 |