This is a list of Irish-American mobsters by
era which includes organized crime figures of
criminal organizations or individual mobsters from the early
1900s to the present.
Roger Gardner (d. 1992) -- an upstate New York mobster
invovlved in the construction trades, "Digger" was the key link
between the Madagliano family and the Gambinos. His construction
rackets brought in millions for the families over his 30-year