Kieran Family History
Kieran Surname 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 2nd edition, 2022
