Family History and Genealogy Resources by Surname

Sweeney Surname Origin

(Origin Irish) shortened form of McSweeney, an Anglicized form of Gaelic Mac Suibhne ‘son of Suibhne’, a byname meaning ‘pleasant’.

Sweeney  Surname Meaning and Family Facts

Sweeney Last Name Meaning
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There is more to Sweeney family history than the origin of your surname:

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A Sweeney Family History Thought:

'Those who forget their past are destined to repeat it.' --Robert A. Heinlein

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