| Surname | Individuals |
|---|---|
|
Ibsdatter
|
8 |
|
Ibsen
|
4 |
|
Illugadóttir
|
2 |
|
Illugason
|
4 |
|
Ingimundardóttir
|
2 |
|
Ingimundarson
|
2 |
|
Ingimundsdóttir
|
1 |
|
Ingimundsson
|
1 |
|
Ingjaldsson
|
1 |
|
Ingveldur
|
1 |
|
Iskov
|
1 |
|
Iversen
|
2 |
|
Ísleifsdóttir
|
1 |
|
Ísleifsson
|
3 |
|
Ívarsdóttir
|
1 |
|
Ívarsson
|
4 |
