Ó Cillín

Rev Patrick Woulfe
1923

Ó CILLÍN—IO Killine, O Killen, Killeen, Killen, Killian, Killion; 'descendant of Cillín' (a 'pet' diminutive of Ceallach, war); the name of several distinct families in different parts of the country, as Clare, Galway, Mayo, Westmeath, Offaly, Kildare and Down, in all of which it is still extant.

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