What's with the prejudice comments. You're not a piasano so you don't have the right to say Greaseball and/or Dago. Keep it respectful man.

There were only like 6 real Irish OC groups in the United States. Below is my list that I got from good sources. PLEASE DON'T HATE ON IT.

CHICAGO

1. North Side Gang
First Boss- Dean O'Banion (1917-1924) Died
Second Boss- George "Bugs" Moran (1924-1930) Died

2. West Side O'Donnell's
First Boss- Myles O'Donnell (1920-1933) Died
Second Boss- William "Klondike" O'Donnell (1933-1936) Died

BOSTON

1. Winter Hill Gang (aka Boston Mob)
First Boss- Buddy McLean (1959-1966) Prison
Second Boss- Howie Winter (1966-1979) Died
Third Boss- James "Whitey" Bulger (1979-2001) Running

2. Charles Town Gang
First Boss- Bernie McGlaughlin (1957-1966) Died

NEW YORK

1. The Combination
First Boss- Owney "The Killer" Madden (1925-1945)

2. The Westies
First Boss- Mickey Spillane (1959-1972) Died
Second Boss- James "Jimmy" Coonan (1972-1986) Life in Prison
Third Boss- Bosco "Billy the Yugo" Rondanjich (1986-1993) Life in Prison
Fourth Boss- John Coonan (1993-Present)