[1][2] A World War II veteran in the United States Air Force, he was active in South Windsor town politics for many years.

He served three terms as town treasurer, before being elected to the State Senate for the 4th District in 1958 as a Democrat.

[1] Doocy was the 97th Lieutenant Governor of Connecticut from 1966 to 1967, assuming the office when Samuel J. Tedesco resigned.

[1] In 2013, Doocy turned 100 and was honored with a party at his home, Arbors of Hop Brook Retirement Community in Manchester, Connecticut.

It was attended by many local legislators and dignitaries, among them Connecticut Congressman John Larson.