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Surname Etymology and Meaning of MCCOOEY

Name meanings and etymologies are often disputed. The information here is compiled from freely available sources, and no claims whatsoever are made for accuracy, either historical or etymological.

Irish: Anglicized form of Gaelic Mac Cumhaighe ‘son of Cú Mhaighe’, a personal name meaning ‘hound of the plain’. This was the original form from the nominative, which replaced the genitive form Mac Con Mhaighe.

Source: Dictionary of American Family Names (2003)