Surname Maps for the Costello Surname in Ireland
<< Back to Main Page
Census Surname Maps for the Costello 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 4,200 with the surname Costello in Ireland in 1901 and 4,435 in 1911.
This ranks the surname 176th in 1901 and 164th in 1911.
Surname Count in Connacht in 1901: 1,921
Surname Ranking in Connacht in 1901: 44th
Surname Count in Leinster in 1901: 1,074
Surname Ranking in Leinster in 1901: 184th
Surname Count in Munster in 1901: 914
Surname Ranking in Munster in 1901: 216th
Surname Count in Ulster in 1901: 291
Surname Ranking in Ulster in 1901: 662nd
Religion statistics for Costello in 1901 - Catholic: 97%, Anglican: 2%, Other: 1%
Religion statistics for Costello in 1911 - Catholic: 97%, Anglican: 3%
Surnames with a similar spelling as Costello.
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 Costello is also frequent:
Comment / Enquiries
Please feel free to comment or place an enquiry of interest to people with the Costello surname.