Census Surname Maps for the Leahy Surname

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Where in Ireland does the surname Leahy 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 Leahy. 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!

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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.

Statistics

Surname Counts and Rankings

According to the census, there were 3,977 with the surname Leahy in Ireland in 1901 and 3,789 in 1911.
This ranks the surname 195th in 1901 and 217th in 1911.

Surname Count in Connacht in 1901: 118
Surname Ranking in Connacht in 1901: 511th

Surname Count in Leinster in 1901: 456
Surname Ranking in Leinster in 1901: 386th

Surname Count in Munster in 1901: 3,315
Surname Ranking in Munster in 1901: 53rd

Surname Count in Ulster in 1901: 88
Surname Ranking in Ulster in 1901: 863rd

Religion

Religion statistics for Leahy in 1901 accrding to the census - Catholic: 97%, Anglican: 2%

Religion statistics for Leahy in 1911 - Catholic: 97%, Anglican: 3%

Surnames with a Similar Spelling to that of Leahy

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.