The Irish Mob is an Irish-American organized crime group that has existed since the 19th century, making it the oldest organized crime group in the United States. The Irish Mob has appeared in most major US cities, including New York City, Boston, Philadelphia, Chicago, Cleveland, Minneapolis, St. Paul, and New Orleans, and famous gangs include the North Side Gang of Chicago, the Winter Hill Gang of Boston, the Dead Rabbits and Gopher Gang of New York City, and the K&A Gang of Philadelphia…