Last name Суини (Sweeney 
, Sweeny , Суини 
) , globally, is a common surname. The surname Суини is habitual in Ireland, where it is a common surname, U.S. Virgin Islands, where it is quite a common surname, and Jersey (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Ireland. Much less frequently, Суини is the forename as well as the last name.