Kieran Family History
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Kieran Name Meaning
Irish: Anglicized form of Gaelic Ó Ciaráin ‘descendant of Ciarán’, a byname from a diminutive of ciar ‘dark’, ‘black-haired’. It was borne by two Irish saints, a hermit of the 5th century and the founder of the monastery at Clonmacnoise (d. 547).
Source: Dictionary of American Family Names ©2013, Oxford University Press