Background
COSTELLO, Cornelius C. was born on December 6, 1883 in Hope Valley, Rhode Island, United States. Son of Michael E. and Mary E. (Conner) Costello.
COSTELLO, Cornelius C. was born on December 6, 1883 in Hope Valley, Rhode Island, United States. Son of Michael E. and Mary E. (Conner) Costello.
Bulkeley School, New London, Connecticut, 1898.
Elected State Senator, New London, Connecticut, 1923. Judge, Groton Town Court, since 1921.