Salvatore "Mooney Sam" Giancana (born
Salvatore Giangana; June 15, 1908 – June 19, 1975), better known as
Sam Giancana, was a
Sicilian American mobster, notable for being boss of the
Chicago Outfit from 1957–1966. Among his other nicknames were, "Momo", "Sam the Cigar," and "Sammy."