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The kiernan Surname

kiernan Name Meaning and History

Irish: reduced form of McKiernan, an Anglicized form of Gaelic Mac Thighearnáin ‘son of Tighearnan’ (see Tiernan).

Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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kiernan Family Facts

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Distribution of kiernan Families in the US in 1920
Number of kiernan families
 223-443
 75-222
 1-74
 0
Compiled by Ancestry.com from the 1920 US Federal Census records

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The kiernan name in History

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