O Brian Name Origin, Meaning and Family History

Discover how your O Brian ancestors earned their living and spread across the country. Find out more about your family history by using the Free Search box.

Surname Distribution

Census frequency by county

Name Concentrations Within England and Wales

O Brian Surname Statistics


Top Professions for the O Brian family

Profession Census Frequency
Glass Maker 2
Dress Maker 2
Tailor J 2
Boys In The Asylum 2
Labourer 2
Nail Maker 1
Female Servant 1
Baker 1
Roper 1
School Master 1
Stone Mason 1
Stone Mason J 1
Tailor 1
Cap Maker 1
Char Woman 1
Miner 1
Higler 1

O Brian Surname Variants Ranking

Rank Surname Match Census Frequency
1 O Brien 86% 4,889
2 O Neill 43% 2,288
3 O Connor 25% 2,195
4 O Neil 43% 2,053
5 O Donnell 22% 1,424
6 O Hara 43% 1,225
7 O Brian 100% 1,034
8 O Connell 22% 829
9 O' Brien 75% 734
10 O Hare 29% 666
11 O Leary 29% 566
12 O Neal 43% 407
13 O Niel 43% 386
14 O Conner 25% 382
15 O' Neill 38% 368
16 O Sullivan 50% 300
17 O Shea 43% 299
18 O Malley 25% 296
19 O Reilly 38% 286
20 O' Connor 22% 277
21 O Grady 43% 249
22 O' Hara 29% 249
23 O' Neil 29% 249
24 O Rourke 25% 228
25 O Bryan 86% 223
26 O Keefe 29% 214
27 O' Donnell 20% 206
28 O Toole 29% 180
29 O Donald 38% 163
30 O Keeffe 25% 150
31 O Donoghue 20% 140
32 O' Brian 88% 130
33 O Niell 29% 128
34 O' Connell 20% 128
35 O Callaghan 36% 123
36 O Dell 29% 115
37 Morris 14% 114
38 O Boyle 43% 114
39 O Hanlon 38% 111
40 Owe 14% 105
41 O' Leary 25% 104
42 O Hagan 57% 100

Did you know?

The surname O Brian is the 7th most popular variant of O Brien.

Search for the O Brian family