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Type Surname
Usage Irish
Meaning & History
The surname McGillicuddy comes from the Irish Mac GiollaMochuda, meaning 'son of the devotee of St. Mochuda'. It's part of the O'Sullivan sect and comes from the West part of Ireland in county Kerry. The McGillicuddy reeks is series of mountains in Ireland containing the highest of all the mountains in Ireland called 'Carrauntuohill'.John Francis McGillicuddy and Cornelius Alexander McGillicuddy(also known as 'Connie Mack') share this surname. The family creed or moto 'Sursum Corda' means 'Lift up our hearts' or 'Hearts upward'. The symbol on the coat of arms is a gold wyren.