Mcsweeney Family History
Mcsweeney Name Meaning
Irish: Anglicized form of Gaelic Mac Suibhne ‘son of Suibhne’ a personal name meaning ‘pleasant’ (bh originally pronounced as v). The family came to Ulster from Scotland as mercenary soldiers or gallowglasses and their name was also Anglicized as McSeveney. Compare Sweeney .
Source: Dictionary of American Family Names 2nd edition, 2022