List of American mobsters by organization

Italian-American Organized Crime

New York

Genovese Crime Family

Dons/Acting Boss

• Lucky Luciano- Don (Circa: 1931-1946)
• Frank Costello-Don (Circa: 1946-1957)
• Vito Genovese- Underboss (Circa: 1931-1957), Don (Circa: 1957-1969)
• Thomas Eboli- Don (Circa: 1969-1972)
• Frank Tieri- Don (Circa: 1972-1981)
• Philip Lombardo- Don (Circa: ?-1981)
• Anthony "Fat Tony" Salerno- Don (Circa: 1981- ?), Front Boss (Circa: 1981-1987)
• Vincent "Chin" Gigante- Don (Circa: ?-2005)
• Liborio Bellomo- Acting Boss(Circa: 1990-1996)
• Dominick Cirillo- Acting Boss (Circa: 1996-1998), and (Circa: 2003-2006)
• Matthew "Matty The Horse" Ianniello- Acting Boss (Circa: 1997-Present)
• Mario Gigante- Acting Boss (Circa: 2006-Present)

Underboss/Consiglieri/Capo-Regime

• Vito Genovese- Underboss (Circa: 1931-1946)
• Venero Mangano- Underboss (Circa: ?-Present)
• Saverio Santora- Capo-Regime (Circa: 1970's-?), Underboss (Circa: ?-1980's) 116th Street Crew
• Liborio Bellomo- Capo-Regime (Circa: 1980's-Present]] 116th Street Crew
• Joe Adonis- Capo-Regime (Circa ?-1953)
• Peter DeFeo- Capo-Regime (Circa: ?-Present)

Soldiers/Made Men

• Vincent Cafaro- Soldier (Circa: 1974- 1986), Government Informant (Circa:1986-Present)
• Joseph Lanza- Soldier (Circa: ?-1968)

Gambino Crime Family

Dons/Acting Boss

• Vincent Mangano- Don (Circa: 1931-1951)
• Albert Anastasia- Underboss (Circa: 1931-1951), Don (Circa: 1951-1957)
• Carlo Gambino- Underboss (Circa: 1951-1957), Don (Circa: 1957-1976)
• Paul Castellano- Don (Circa: 1976-1985)
• John Gotti- Don (Circa: 1985-2002)
• Junior Gotti- Acting Boss (Circa: 1992-1996), (Circa: 1997-1999)

Jewish-American Organized Crime

New York

• Meyer Lansky
• Lepke Buckhalter
• Bugsy Siegel

Irish-American Organized Crime

Boston

Winter Hill Gang

Boss

• James "Buddy" McLean Boss (Circa: 1950's - 1965)
• Howard "Howie" Winter Boss (Circa: 1965 - 978)
• James "Whitey" Bulger Boss