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:
'Life is lived forward, but understood backwards.'