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SOURCE: Given Name
CONTRIBUTOR: LMS on 3/12/2017
Meaning & History
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.