Surname Maps for the OBrien Surname in Ireland

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Census Surname Maps for the OBrien Surname

Surname Map for OBrien in 1901 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 censuses 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

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 - Catholic: 98%, Anglican: 1%

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



Most Common Male Forenames associtated with OBrien

The numbers in brackets represent the number of people with this forename in 1901. Note that not everyone specified their gender in the census.



Most Common Female Forenames associtated with OBrien

The numbers in brackets represent the number of people with this forename in 1901. Note that not everyone specified their gender in the census.



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.



Common Surnames in Areas where OBrien is also Frequent




Comment / Enquiries

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