Background
Greco was born Joseph Anthony Greco on December 5, 1919 in Milwaukee, Wisconsin.
Greco was born Joseph Anthony Greco on December 5, 1919 in Milwaukee, Wisconsin.
Marquette University Law School. Lawrence University.
During World World War II, he served in the United States Army. He graduated from Lawrence University and received his law degree from Marquette University Law School. He practiced law in Milwaukee.
He was a Democrat.
Greco was Roman Catholic and was a member of the Society of the Holy Name. Greco was a member of the Assembly from 1955 to 1960.