The sept's historic heartland, highlighted. People moved — a name can be found far from home.

Quick answers
Is Gilligan an Irish name?

Gilligan is a Gaelic name: it was formed in Irish, from an Irish ancestor, before English was spoken here. In Irish the name is Mac Giollagáin.

What does the surname Gilligan mean?

Gilligan (Irish: Mac Giollagáin) means “son of Giollagán — 'youth, lad'”. Origin: Gaelic sept.

Where in Ireland is the surname Gilligan from?

The historic homeland of the Gilligan name is Derry / Londonderry, Antrim, Donegal. People moved, so the name can be found far beyond it.

What is the Irish for Gilligan?

Mac Giollagáin. Related spellings: MacGilligan, Gilgan.

Looking for the Gilligan family crest? Read this first — arms belong to people, not surnames, and the honest version is more interesting. Tracing Gilligan ancestors? The step-by-step guide.

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