O Brien Name Origin, Meaning and Family History

Discover how your O Brien 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 Brien Surname Statistics


Top Professions for the O Brien family

Profession Census Frequency
Labourer 13
Female Servant 5
Independent 4
Lab 3
Power Loom Weaver 2
Shoe Maker 2
Pensioner 1
Cotton Weaver 1
Dyer 1
Milliner 1
Scavenger 1
Stay Maker 1
Tailor 1
Charewoman 1
Midwife 1
Military 1
Milkwoman 1
Private Tutor 1
Servant 1
Tutor 1
Hawker 1
Student 1
Draper 1
Surgeon 1
Wool Spinner 1

O Brien Surname Variants Ranking

Rank Surname Match Census Frequency
1 O Brien 100% 4,889
2 O Neill 43% 2,288
3 O Connor 25% 2,195
4 O Neil 43% 2,053
5 O Donnell 33% 1,424
6 O Hara 29% 1,225
7 O Brian 86% 1,034
8 O Connell 33% 829
9 O' Brien 88% 734
10 O Hare 43% 666
11 O Leary 29% 566
12 O Neal 29% 407
13 O Niel 57% 386
14 O Conner 38% 382
15 O' Neill 38% 368
16 O Sullivan 40% 300
17 O Shea 43% 299
18 O Malley 38% 296
19 O Reilly 38% 286
20 O' Connor 22% 277
21 O Grady 43% 249
22 O' Hara 14% 249
23 O' Neil 29% 249
24 O Rourke 38% 228
25 O Bryan 71% 223
26 O Keefe 29% 214
27 O' Donnell 30% 206
28 O Toole 29% 180
29 O Donald 25% 163
30 O Keeffe 25% 150
31 O Donoghue 20% 140
32 O' Brian 75% 130
33 O Niell 43% 128
34 O' Connell 30% 128
35 O Callaghan 27% 123
36 O Dell 29% 115
37 Morris 14% 114
38 O Boyle 43% 114
39 O Hanlon 38% 111
40 Owe 29% 105
41 O' Leary 25% 104
42 O Hagan 43% 100

Did you know?

The surname O Brien is the most popular version of all its varients

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