" 

 ==non-refernced names 
 the following people either to not have WP articles or do not have nay references provided showing they are Irish American and mobsters.  Names are kept here for future research and possible movement to the article.  

 ==A== 
 *Louis Alterie, ""Two Gun"" (1886–1935) - A Chicago mobster and member of the North Side Gang. 

 ==B== 
 *Bart McKiernan, New York union leader involved in labor racketeering and associate of the Westies 
 *Mickey Bowers, member of the Westies who worked with cousin Harold Bowers as a labor racketeer 
 *Edmund Boyle, ""Eddie"" (born 1965) - Gambino crime family associate 
 *James J. Bulger ""Whitey"" (born 1929) - Legendary Boston mobster and former leader of the Winter Hill Gang 
 *Elmer Burke ""Trigger"" (died 1958) - New York mobster and freelance assassin 
 *Jimmy Burke, ""Jimmy the Gent"" (1931–1996) - a New York mobster and associate of the Lucchese crime family 
 *Patrick Brassil, Mobster in Boston involved in the destruction of public operated buildings. 

 ==C== 
 *William Colbeck, ""Dinty"" (1891–1943) - a St. Louis organized crime figure and one time leader of Egan's Rats 
 *Vincent Coll ""Mad Dog"" (1908–1932), a New York mobster and freelance enforcer during ProhibitionDelap, Breandan. Mad Dog Coll: An Irish Gangster. Dublin: Mercier Press, 1999. ISBN 1-856-35291-9 
 *Eddie Cummiskey, ""The Butcher"" (died 1976) - a New York mobster and enforcer for mobster Mickey Spillane during the 1950s and 60s 
 *James Coonan (born 1947) - a New York mobster and leader of the Westies during the 1970s and 80s 

 ==D== 
 *Tom Dennison - (died 1934) Political boss of Omaha for 30+ years 
 *Joe Dermody (died 1954) - a Boston mobster and father of Ronald Dermody 
 *Ronald Dermody (died 1965) - a Boston mobster and associate of Whitey Bulger 
 *Tom Devaney (died 1976) - a New York mobster and enforcer for mobster Mickey Spillane during the 1960s and 70s 
 *Eddie Diamond, a New York mobster and brother of Jack ""Legs"" Diamond 
 *Jack Diamond (1897–1931), a New York mobster involved in bootlegging during Prohibition 
 *Arthur Doe, Jr. ""Butchy"" (born 1960) - Boston mobster and son of mobster Arthur Doe, Sr. 
 *George Donahue, New York labor racketeer 
 *John M. Dunn ""Cockeye"", (died 1949), a New York mobster and enforcer for labor racketeer Joe Ryan 
 *Bill Dwyer ""Big Bill"", a New York mobster involved in bootlegging during Prohibition 

 ==E== 
 *William Egan ""Jellyroll"" (died 1923) - a St. Louis mobster and co-founder of Egan's Rats 
 *Maurice Enright, ""Mossy"" (died 1920) - a Chicago labor racketeer associated with the North Side Gang 

 ==F== 
 * Edward Falkner (b.1916) - a Birmingham, Alabama organized crime boss involved in white collar crime in the organization known as the ""Celts"". 
 *Mickey Featherstone (born 1947) - a New York mobster and member of the Westies 
 *Richie Fitzpatrick (1880–1905) - a New York mobster and member of the Eastman Gang 
 *Stephen Flemmi ""The Rifleman"" (born 1935), a Boston mobster and associate of Whitey Bulger 
 *Jimmy Flynn (born 1934) - a Boston mobster and member of the Winter Hill Gang 

 ==G== 
 *Danny Greene (died 1977) - a Cleveland mobster involved in union racketeering 
 *Lester Joseph Gillis ""Baby Face Nelson"", ""George Nelson"", ""Tommy Gunn Lester"" - a Chicago Mobster who conducted a rein of bank robberies 

 ==H== 
 *Kevin Hanrahan (1956–1992) - a Providence mobster and associate of the Patriarca crime family 
 *Vannie Higgins (1897–1932) - a New York mobster involved in bootlegging during Prohibition 
 *Henry Hill 1 (born 1943) - a New York mobster and associate of the Lucchese crime family 
 *Danny Hogan, ""Dapper"" (1880–1928) - an organized crime figure involved in bootlegging in St. Paul during Prohibition 
 *Cornelius Hughes (died 1966), a Boston mobster and hitman for the McLaughlin Brothers with his brother Stevie Hughes 
 *Stevie Hughes (died 1966), a Boston mobster and, with his brother Corneilius Hughes, a hitman for the McLaughlin Brothers 
 *George Hogan (1952-present) a Boston mobster believed to be the Winter Hill Gang's present boss. 

 ==K== 
 *Donald Killeen (died 1972) - a Boston mobster and head of criminal activities in South Boston. 

 ==L== 
 *John Patrick Looney (1865–1947), a bootlegger and organized crime figure in northern Ill