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HEGARTY Family History

This noble Irish surname is an Anglicized form of the Old Gaelic "O'hEigceartaigh", descendant of Eigceartach, a personal byname meaning "Unjust". Traditionally, Irish family names are taken from the heads of tribes, revered elders, or some illustrious warrior, and are usually prefixed by "O", grandson, male descendant of, or "Mac" denoting "son of". The principal sept of (O)hEigceartaigh was of the Cineal Eoghan, that is, belonging to that group of people descended from Eoghan, son of Niall of the ine Hostages, the 4th Century High King of Ireland. This sept was located on the borders of the present counties of Donegal and Derry, and in the 14th Century the barony of Loughinsholin (County Derry) was their chief habitat...

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