Irish formMac Suibhne
Meaning'son of Suibhne' (well-going)
CountiesDonegal, Cork, Mayo, Kerry
Other spellings8
Origin of the McSweeney name
Woulfe, citing MacFirbis: descended from Suibhne, son of Donnshléibhe Ó Néill and lord of Knapdale in Argyle, about the beginning of the 13th century. Murchadh, Suibhne's grandson, 'mentioned in the Annals at the year 1267', was the first of the name to come to Ireland. Early in the next century they settled in Tirconnell as captains of gallowglasses to O'Donnell.[1]
- About the beginning of the 13th centurySuibhne, son of Donnshléibhe Ó Néill, lord of Knapdale in Argyle (per MacFirbis).[1]
- 1267Murrough Mac Sweeny taken prisoner in Umallia; died in the Earl's prison.[7]
- Early in the next centuryMacSweeneys settle permanently in Tirconnell as gallowglass captains to O'Donnell (Woulfe).[1]
- 1378Death of Turlough Mac Sweeny, High Constable of Connaught.[8]
- 1399Death of Turlough, son of Mulmurry Mac Sweeny of Fanaid.[9]
- 1890Sweeney/Sweeny 254 entries incl. varieties (166 Sweeney, 82 Sweeny); McSweeney 29 incl. varieties (13 so spelled).[4][5][6]
Scottish connection
Woulfe, citing MacFirbis, says the family descends from Suibhne, lord of Knapdale in Argyle, about the beginning of the 13th century. He adds that in Scotland the name 'is generally Mac Shuibhne', 'but MacSween still survives as an anglicised form'. Under Mac Shuibhne he prints 'M'Queyn, M'Quine, MacQueen, Maqueen, &c.; a variant of Mac Suibhne ... a Scottish surname'.[1][3]
McSweeney surname: questions
What does the surname McSweeney mean?
Woulfe gives MacSweeney as a form of Mac Suibhne, 'son of Suibhne', a personal name he glosses as 'well-going'.[1]
Is McSweeney Irish or Scottish?
Woulfe, citing MacFirbis, says the family descends from Suibhne, lord of Knapdale in Argyle, about the beginning of the 13th century, and that Suibhne's grandson Murchadh was the first of the name to come to Ireland. Early in the next century the MacSweeneys settled in Tirconnell as captains of gallowglasses to O'Donnell. In Scotland, he says, the name is generally Mac Shuibhne, but MacSween still survives as an anglicised form.[1][3]
What were the MacSweeney gallowglasses?
Woulfe calls the MacSweeneys 'a great military family, formerly famous throughout Ireland as captains of gallowglasses', serving O'Donnell in Tirconnell and, in a branch from Fanad, the MacCarthys in Desmond.[1]
Are Sweeney and McSweeney the same name?
Woulfe lists Sweeney and Swiney with MacSweeney, MacSwiney and MacSweeny as anglicised forms of Mac Suibhne, and Sweeny under Ó Suibhne, a very rare variant formed by substituting Ó for Mac.[1][2]
Where in Ireland is the McSweeney name found?
Woulfe names three septs, of Fanad, of Baghnagh (now the barony of Banagh, west Co. Donegal) and of the Tory districts, and a Muskerry branch in Desmond. In 1890 Sweeney/Sweeny births were principally found in Cork, Donegal, Mayo and Kerry, and McSweeney births in Cork.[1][4][5]