1912 – He was born in Philadelphia, Pennsylvania, on the 25th of June.
1929 – He graduated at Camden Catholic High School in Camden, New Jersey.
1933 – Cahill graduated St. Joseph’s College (now Saint Joseph’s University) at Philadelphia.
1937 – He received his law degree at the Rutgers University School of Law.
1937-1938 – He served as a special agent of the Federal Bureau of Investigation.
1939 – He was admitted to the bar and began his political career.
1944-1945 – He became the city prosecutor of Camden, New Jersey.
1948 – He was the first assistant prosecutor of Camden County.
1951 – He served as special deputy attorney general of the State of New Jersey.
– Cahill was member of the New Jersey General Assembly.
1959 – He was elected Representative from New Jersey.
1970 – He served as Governor of New Jersey.
1974-1978 – Senior fellow at the Woodrow Wilson School of Public and International Affairs at Princeton University.
1996 – He died on the 1st of July in Haddonfield, New Jersey and is interred at Calvary Cemetery.