Surname | Individuals |
---|---|
O'Brien
|
33 |
O'Connell
|
1 |
O'Connor
|
2 |
O'Donoghue
|
3 |
O'Donovan
|
1 |
O'Grady
|
1 |
O'Haire
|
1 |
O'Halloran
|
2 |
O'Hanlon
|
1 |
O'Hara
|
1 |
O'Hare
|
2 |
O'Hehir
|
1 |
O'Keefe
|
1 |
O'Malley
|
12 |
O'Mara
|
1 |
O'Meally
|
1 |
O'Neall
|
1 |
O'Neil
|
3 |
O'Neill
|
2 |
O'Reilly
|
1 |
O'Shannessy
|
1 |
ODwyer
|
2 |
Oakes
|
24 |
Oakley
|
23 |
Oates
|
2 |
Oatley
|
3 |
Obrien
|
2 |
Ocken
|
1 |
Odds
|
1 |
Oddy
|
1 |
Odgers
|
6 |
Odonoghue
|
4 |
Okeeffe
|
1 |
Olde
|
1 |
Oldfield
|
59 |
Oliver
|
18 |
Olson
|
2 |
Omara
|
1 |
Oram
|
11 |
Orchard
|
2 |
Oreilly
|
1 |
Organ
|
3 |
Orth
|
17 |
Osborne
|
1 |
Oscar L S
|
1 |
Osterode
|
1 |
Outten
|
1 |
Overton
|
2 |
Owen
|
2 |
Oxley
|
1 |
OÇonnell
|
1 |