Last name origins & meanings:
- Irish and Scottish: Anglicized form of Gaelic Ó
Coinnigh ‘descendant of Coinneach’, an Old Irish personal
name equivalent to Scottish Kenneth. This was borne by a
6th-century monk and saint who gave his name to the town of
Kilkenny ‘church of Coinneach’.
- Irish: possibly an
Anglicized form of Gaelic Ó Cionaodha ‘descendant of
Cionaodh’, a personal name of unexplained etymology.
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