Kieran Family History
Kieran Name Meaning
Irish (Louth and Monaghan): Anglicized form of Gaelic Ó Ciaráin ‘descendant of Ciarán’ a byname from a diminutive of ciar ‘dark black-haired’. Variants Ó Cearáin and Ó Céirín exist in Irish see also Kearns . The personal name Ciarán was borne by two Irish saints a hermit of the 5th century and the founder of the monastery at Clonmacnoise (died 547).
Source: Dictionary of American Family Names ©2013, Oxford University Press