| Surname | Individuals |
|---|---|
|
ab Iago
ap Iago |
1 1 2 |
|
ap Idwal
|
3 |
|
ap Idwal ap Meurig
|
1 |
|
ap Idwal Foel
|
1 |
|
ap Ieuaf
|
2 |
|
Igorevich
|
1 |
|
Ihle
|
1 |
|
Ilive
|
1 |
|
I Inczédy de Nagy-Várad
Inczédy de Nagy-Várad |
1 1 2 |
|
Ingoldsthrop
|
1 |
|
Ingraham
|
6 |
|
ab Iorwerth
|
1 |
|
Irby
|
1 |
|
Irons
|
1 |
|
Irvine
|
3 |
|
Irwin
|
1 |
|
Isaac
|
2 |
|
Isham
|
4 |
|
IV
|
2 |
|
Ivarsson
|
1 |
|
Ives
|
1 |
|
ap Ivor
|
3 |
|