Surname distribution map and statistics for the surname O BRIEN at the 1881 census.
Surname Distribution Map
Population With Surname O BRIEN
Per 100,000 People
Over 24
21 - 24
18 - 21
15 - 18
12 - 15
9 - 12
6 - 9
3 - 6
0 - 3
0
Great Britain Data Table
| Location | Country | Population With Surname O BRIEN | Population With Surname O BRIEN Per 100,000 People | Rank in Location | Great Britain Index |
|---|---|---|---|---|---|
| Bedfordshire (BDF) | England | 4 | 2.7 | 3,555th | 0.309 |
| Buckinghamshire (BKM) | England | 2 | 1.1 | 5,509th | 0.131 |
| Berkshire (BRK) | England | 3 | 1.4 | 6,080th | 0.158 |
| Cambridgeshire (CAM) | England | 0 | 0 | — | 0 |
| Cheshire (CHS) | England | 77 | 12.0 | 1,343rd | 1.38 |
| Cornwall (CON) | England | 0 | 0 | — | 0 |
| Cumberland (CUL) | England | 21 | 8.4 | 1,554th | 0.966 |
| Derbyshire (DBY) | England | 23 | 5.0 | 2,360th | 0.574 |
| Devon (DEV) | England | 25 | 4.1 | 2,995th | 0.478 |
| Dorset (DOR) | England | 1 | 0.5 | 6,283rd | 0.0604 |
| Durham (DUR) | England | 110 | 12.7 | 1,195th | 1.46 |
| Essex (ESS) | England | 18 | 3.1 | 3,830th | 0.360 |
| Gloucestershire (GLS) | England | 20 | 3.5 | 3,313th | 0.403 |
| Hampshire (HAM) | England | 56 | 9.4 | 1,744th | 1.09 |
| Herefordshire (HEF) | England | 3 | 2.5 | 3,121st | 0.286 |
| Hertfordshire (HRT) | England | 10 | 4.9 | 2,750th | 0.568 |
| Huntingdonshire (HUN) | England | 0 | 0 | — | 0 |
| Kent (KEN) | England | 60 | 6.1 | 2,424th | 0.708 |
| Lancashire (LAN) | England | 818 | 23.7 | 758th | 2.73 |
| Leicestershire (LEI) | England | 0 | 0 | — | 0 |
| Lincolnshire (LIN) | England | 14 | 3.0 | 3,925th | 0.343 |
| Middlesex (MDX) | England | 352 | 12.1 | 1,164th | 1.39 |
| Northumberland (NBL) | England | 33 | 7.6 | 1,662nd | 0.876 |
| Norfolk (NFK) | England | 5 | 1.1 | 6,348th | 0.130 |
| Northamptonshire (NTH) | England | 2 | 0.7 | 7,292nd | 0.0846 |
| Nottinghamshire (NTT) | England | 10 | 2.6 | 4,001st | 0.294 |
| Oxfordshire (OXF) | England | 0 | 0 | — | 0 |
| Rutland (R) | England | 0 | 0 | — | 0 |
| Shropshire (SAL) | England | 3 | 1.2 | 4,924th | 0.139 |
| Suffolk (SFK) | England | 5 | 1.4 | 5,376th | 0.162 |
| Somerset (SOM) | England | 9 | 1.9 | 4,729th | 0.221 |
| Surrey (SRY) | England | 112 | 7.8 | 1,841st | 0.899 |
| Sussex (SSX) | England | 6 | 1.2 | 7,211th | 0.141 |
| Staffordshire (STS) | England | 49 | 5.0 | 2,442nd | 0.576 |
| Warwickshire (WAR) | England | 16 | 2.2 | 4,822nd | 0.250 |
| Westmorland (WES) | England | 0 | 0 | — | 0 |
| Wiltshire (WIL) | England | 9 | 3.5 | 2,910th | 0.401 |
| Worcestershire (WOR) | England | 22 | 5.8 | 2,186th | 0.667 |
| Yorkshire (YKS) | England | 211 | 7.3 | 1,977th | 0.843 |
| Aberdeenshire (ABD) | Scotland | 5 | 1.9 | 2,239th | 0.215 |
| Angus (ANS) | Scotland | 61 | 22.9 | 701st | 2.64 |
| Argyll (ARL) | Scotland | 2 | 2.6 | 1,637th | 0.304 |
| Ayrshire (AYR) | Scotland | 4 | 1.8 | 3,565th | 0.213 |
| Banffshire (BAN) | Scotland | 0 | 0 | — | 0 |
| Berwickshire (BEW) | Scotland | 0 | 0 | — | 0 |
| Bute (B) | Scotland | 1 | 5.7 | 1,024th | 0.659 |
| Caithness (CAI) | Scotland | 0 | 0 | — | 0 |
| Clackmannanshire (C) | Scotland | 0 | 0 | — | 0 |
| Dumfriesshire (DFS) | Scotland | 5 | 6.6 | 1,150th | 0.757 |
| Dunbartonshire (D) | Scotland | 5 | 6.7 | 1,917th | 0.767 |
| East Lothian (ELN) | Scotland | 5 | 13.0 | 1,082nd | 1.50 |
| Fife (FIF) | Scotland | 12 | 7.0 | 1,241st | 0.808 |
| Inverness-shire (INV) | Scotland | 0 | 0 | — | 0 |
| Kincardineshire (KCD) | Scotland | 0 | 0 | — | 0 |
| Kirkcudbrightshire (KKD) | Scotland | 2 | 4.8 | 1,647th | 0.548 |
| Kinross-shire (K) | Scotland | 0 | 0 | — | 0 |
| Lanarkshire (LKS) | Scotland | 136 | 15.1 | 972nd | 1.74 |
| Midlothian (MLN) | Scotland | 26 | 6.7 | 1,639th | 0.775 |
| Moray (MOR) | Scotland | 0 | 0 | — | 0 |
| Nairnshire (N) | Scotland | 0 | 0 | — | 0 |
| Orkney (OKI) | Scotland | 0 | 0 | — | 0 |
| Peeblesshire (PEE) | Scotland | 0 | 0 | — | 0 |
| Perthshire (PER) | Scotland | 0 | 0 | — | 0 |
| Renfrewshire (RFW) | Scotland | 27 | 10.3 | 1,094th | 1.19 |
| Ross and Cromarty (ROC) | Scotland | 0 | 0 | — | 0 |
| Roxburghshire (ROX) | Scotland | 2 | 3.7 | 1,561st | 0.431 |
| Selkirkshire (SEL) | Scotland | 1 | 3.9 | 1,302nd | 0.451 |
| Shetland (SHI) | Scotland | 0 | 0 | — | 0 |
| Stirlingshire (STI) | Scotland | 16 | 14.3 | 884th | 1.65 |
| Sutherland (SUT) | Scotland | 0 | 0 | — | 0 |
| Wigtownshire (WIG) | Scotland | 3 | 7.8 | 1,355th | 0.899 |
| West Lothian (W) | Scotland | 12 | 27.8 | 637th | 3.21 |
| Anglesey (AGY) | Wales | 0 | 0 | — | 0 |
| Brecknockshire (BRE) | Wales | 0 | 0 | — | 0 |
| Caernarfonshire (CAE) | Wales | 0 | 0 | — | 0 |
| Cardiganshire (CGN) | Wales | 0 | 0 | — | 0 |
| Carmarthenshire (CMN) | Wales | 0 | 0 | — | 0 |
| Denbighshire (DEN) | Wales | 0 | 0 | — | 0 |
| Flintshire (F) | Wales | 0 | 0 | — | 0 |
| Glamorgan (GLA) | Wales | 109 | 21.3 | 383rd | 2.46 |
| Merionethshire (MER) | Wales | 0 | 0 | — | 0 |
| Montgomeryshire (MGY) | Wales | 1 | 1.5 | 1,391st | 0.175 |
| Monmouthshire (MON) | Wales | 26 | 12.3 | 853rd | 1.42 |
| Pembrokeshire (PEM) | Wales | 6 | 6.5 | 956th | 0.753 |
| Radnorshire (RAD) | Wales | 0 | 0 | — | 0 |
| England Total | — | 2,109 | 8.6 | 1,760th | 0.996 |
| Scotland Total | — | 325 | 8.7 | 1,417th | 1.01 |
| Wales Total | — | 142 | 9.0 | 663rd | 1.04 |
| Great Britain Total | — | 2,576 | 8.7 | 1,732nd | — |
Channel Islands Data Table
| Location | Population With Surname O BRIEN | Population With Surname O BRIEN Per 100,000 People | Rank in Location |
|---|---|---|---|
| Guernsey (GSY) | 0 | 0 | — |
| Jersey (JSY) | 4 | 7.6 | 2,104th |
| Channel Islands Total | 4 | 4.6 | 3,018th |
Isle of Man Data Table
| Location | Population With Surname O BRIEN | Population With Surname O BRIEN Per 100,000 People | Rank in Location |
|---|---|---|---|
| Isle of Man (IOM) | 1 | 1.8 | 2,088th |