Surname Maps for the O'Sullivan Surname in Ireland

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Census Surname Maps for the O'Sullivan Surname

Surname Map for O'Sullivan in 1901 Surname Map for O'Sullivan in 1911

Farmer Maps

Farmer Map for O'Sullivan in 1901 Farmer Map for O'Sullivan in 1911

Rank Map

Rank Map for O'Sullivan in 1901

Religion Maps

Catholic Map for O'Sullivan in 1901 Presbyterian Map for O'Sullivan in 1901
Anglican Map for O'Sullivan in 1901 None/Not Given Map for O'Sullivan 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 O'Sullivan in 1901 Irish only Map for O'Sullivan in 1901
English only Map for O'Sullivan in 1901

Statistics

Surname Counts and Rankings

There were 2,375 with the surname O'Sullivan in Ireland in 1901 and 2,698 in 1911.
This ranks the surname 343rd in 1901 and 299th in 1911.

Surname Count in Connacht in 1901: 91
Surname Ranking in Connacht in 1901: 538th

Surname Count in Leinster in 1901: 191
Surname Ranking in Leinster in 1901: 585th

Surname Count in Munster in 1901: 2,045
Surname Ranking in Munster in 1901: 100th

Surname Count in Ulster in 1901: 48
Surname Ranking in Ulster in 1901: 903rd



Religion

Religion statistics for O'Sullivan in 1901 - Catholic: 99%, None / Not Given: 1%, Anglican: 1%

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



Most Common Male Forenames associtated with O'Sullivan

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 O'Sullivan

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 O'Sullivan

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'Sullivan is also Frequent




Comment / Enquiries

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