Ó hAilgheanáin

Rev Patrick Woulfe
1923

Ó hAILGHEANÁIN—IO Hallinaine, O'Hallinan, Hallinan, Hallanan, Halnan; 'descendant of Ailgheanán' (diminutive of ailghean, noble offspring); an old Munster surname, found chiefly in Cork and Limerick; also apparently a Connacht surname, now not uncommon in West Mayo. MacBeathaidh Ó hAilgheanáin was Bishop of Cork at the beginning of the 12th century.

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