Ó Céileacháin

Rev Patrick Woulfe
1923

Ó CÉILEACHÁIN—IO Kellechan, O Kellichan, Kelaghan, Keleghan, Kellaghan, Keelaghan, Kelihan, (O'Callaghan, Callaghan), &c.; 'descendant of Céileachán' (diminutive of Céile); the name of an Armagh family who were anciently chiefs of Ui Breasail; to be distinguished from Ó Ceallacháin, which see.

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