| Surname | Individuals |
|---|---|
|
O'Dell
|
2 |
|
Odell
|
1 |
|
of Antwerp KG
|
1 |
|
of Aquitaine
|
1 |
|
of Aragon
|
1 |
|
of Castile
|
2 |
|
of Castilla
|
1 |
|
of Castille
|
1 |
|
of Courtenay
|
1 |
|
of Flanders
|
1 |
|
of Gaunt (Plantagenet)
|
1 |
|
of Hungary
|
2 |
|
of Lancaster
|
3 |
|
of Lancaster (Plantagenet)
|
1 |
|
of Mercia
|
1 |
|
of Monmouth
|
1 |
|
of Scotland
|
1 |
|
of Wessex
|
11 |
|
of Yorkshire
|
1 |
|
Oldham
|
8 |
|
Olen
|
1 |
|
Oliver
|
11 |
|
Owen
|
41 |
|
Owens
|
2 |