Surname Maps for the O'Neill Surname in Ireland
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Census Surname Maps for the O'Neill Surname
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.
Surname Counts and Rankings
There were 5,441 with the surname O'Neill in Ireland in 1901 and 4,780 in 1911.
This ranks the surname 124th in 1901 and 145th in 1911.
Surname Count in Connacht in 1901: 326
Surname Ranking in Connacht in 1901: 339th
Surname Count in Leinster in 1901: 1,705
Surname Ranking in Leinster in 1901: 98th
Surname Count in Munster in 1901: 1,522
Surname Ranking in Munster in 1901: 137th
Surname Count in Ulster in 1901: 1,888
Surname Ranking in Ulster in 1901: 132nd
Religion statistics for O'Neill in 1901 - Catholic: 93%, Anglican: 4%, Presbyterian: 3%
Religion statistics for O'Neill in 1911 - Catholic: 90%, Anglican: 5%, Presbyterian: 4%, Methodist: 1%
Surnames with a similar spelling as O'Neill.
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 O'Neill is also frequent:
Comment / Enquiries
Please feel free to comment or place an enquiry of interest to people with the O'Neill surname.