[1][2][3] Born in Winchester, Connecticut, Casey attended Housatonic Valley Regional High School and the Hartford Institute of Accounting.

[2] Governor John Dempsey appointed Casey to serve as Connecticut State Comptroller on July 19, 1966, to fill the unexpired term of Raymond S. Thatcher, who had resigned to become the state's public utilities commissioner.

[2][3] Casey moved to coastal Connecticut circa 1969 and worked for a Hamden engineering consulting firm until his death.

He and his wife, Lois Mellor Casey, had co-owned a card shop in Madison for seven years prior to his death.

Casey died at the Veterans Home and Hospital in Rocky Hill after a brief illness.