Ó Macassa - Irish Names and Surnames

AuthorRev Patrick Woulfe
SourceIrish Names and Surnames

Ó MACASSA—IIO Mackessy, Macassy, Mackessy, MacKessy, MacAssie, Maxey; 'descendant of Macus' (a form of Maghnus); the name of a family of Ui Fidhgheinte who were anciently lords of Corca Oiche in the modern barony of Glenquin, in the west of Co. Limerick, but dispossessed soon after the Anglo-Norman invasion by a branch of the Fitzgeralds and dispersed through Munster and Leinster.

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