Surname Maps for the OBrien Surname in Ireland

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Census Surname Maps for the OBrien Surname

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Surname Map for OBrien in 1901

Where in Ireland does the surname OBrien come from? The maps on this page are based on the 1901 and 1911 census of Ireland, the data for which is available here: Census of Ireland. I generate maps based on the exact spelling used in the census. For example, McCann, M'Cann, Mc Cann, MacCann and Mac Cann all have there own set of maps. At the end of this page you will find a large list of surnames, which appear in either of the two census, that have a spelling similar to that of the surname OBrien. A huge amount of effort has gone into the production of these maps and I have been very careful to ensure that the census data has been processed as accurately as possible. However, I take no responsibility should I have failed in any way in this regard. Nor shall I be held responsible for any errors on the official census website. As stated, the census is available online enabling you to confirm the information presented here for yourself. Enjoy!

Surname Map for OBrien in 1911

Farmer Maps

Farmer Map for OBrien in 1901 Farmer Map for OBrien in 1911

Rank Map

Rank Map for OBrien in 1901

Religion Maps

Catholic Map for OBrien in 1901 Presbyterian Map for OBrien in 1901
Anglican Map for OBrien in 1901 None/Not Given Map for OBrien in 1901

Language Maps

Note that it is likely that some Ulster-Scots speakers reported that they only spoke Irish. Both census contained a question concerned with whether a person spoke Irish, English or both. No other languages were mentioned.
Irish and English Map for OBrien in 1901 Irish only Map for OBrien in 1901
English only Map for OBrien in 1901

Statistics

Surname Counts and Rankings

According to the census, there were 13,608 with the surname OBrien in Ireland in 1901 and 13,617 in 1911.
This ranks the surname 27th in 1901 and 25th in 1911.

Surname Count in Connacht in 1901: 1,422
Surname Ranking in Connacht in 1901: 78th

Surname Count in Leinster in 1901: 2,593
Surname Ranking in Leinster in 1901: 51st

Surname Count in Munster in 1901: 8,574
Surname Ranking in Munster in 1901: 7th

Surname Count in Ulster in 1901: 1,019
Surname Ranking in Ulster in 1901: 272nd



Religion

Religion statistics for OBrien in 1901 accrding to the census - Catholic: 98%, Anglican: 1%

Religion statistics for OBrien in 1911 - Catholic: 98%, None / Not Given: 1%, Anglican: 1%



Surnames with a Similar Spelling to that of OBrien

The numbers in brackets represent the number of people with the given surname in 1901. If the surname is followed by a zero then it only occured in the 1911 census.






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Comment / Enquiries

Please feel free to comment or place an enquiry of interest to people with the OBrien surname.

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