Ó Donnacháin

Rev Patrick Woulfe
1923

Ó DONNACHÁIN—IO Donaghan, O Duneghan, O Dunchan, Doonican, Dunican, Duncan; 'descendant of Donnachán' (diminutive of donn, brown); apparently a variant of Ó Donnagáin, which see. See also Ó Duinneacháin.

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