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In page William T. Cahill:

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Born in Philadelphia to Irish immigrant parents,[1] Cahill moved to South Jersey with his family in 1919. He attended Camden Catholic High School in Camden, New Jersey, and graduated in 1929. Afterwards, Cahill graduated St. Joseph's College (now Saint Joseph's University) at Philadelphia in 1933. He returned to Camden to study at the Rutgers School of Law - Camden, receiving his law degree in 1937.