McDonnell — Irish Surname Origin & Meaning

Irish form: Mac Dónaill

Meaning: “son of Dónall — world-mighty”

Traditional stronghold: Clare, Antrim

The Antrim McDonnells came as gallowglass warriors from the Scottish isles.

Related names from the same part of Ireland: O'Brien · Kennedy · Quinn · McMahon · Boland · Keane · Hogan · Cunningham

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