Irish Surname Maps based on 1901 and 1911 Censuses

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With regard to the values after each surname, the first value is the number of people in Ireland with this surname in 1901 and the second value is that surname's rank in 1901, i.e. Murphy is ranked 1st since it was the most common surname in 1901.

Not all surnames are covered at the moment since it takes time to generate the maps. If you would like to see a surname added please message me here on facebook. Despite missing surnames, all rankings are correct and take into consideration the missing surnames.

NOTE: Surnames are sorted according to the last capital letter in the name. So for example, McCann is sorted under C.

NOTE: Surnames are sorted according to the last capital letter in the name. So for example, McCann is sorted under C.