On May 23, 1959, Trooper Ronald J. Donahue, 23, was shot and killed near the hamlet of Bombay.

On May 25, 1956, Trooper Gerard T. McHugh, 26, died from injuries he sustained in a one-car accident on Route 5 near Utica.

On July 4, 1954, Trooper Arthur L. Lacroix, 23, died of injuries he sustained at the Edgewater International Speedway near Alexandria Bay. 

On February 22, 1952, Trooper Patrick F. O'Hara, 24, was accidentally shot and killed on Route 20 near the hamlet of Bridgewater.

Sergeant Harry A. Adams, 55, died on September 1, 1951, while directing traffic at the scene of an accident.

On June 14, 1951, Corporal Arthur M. Diffendale, 33, was shot and killed during a traffic stop on the Winnie Hill Road near the city of Oneonta.

Corporal Harold F. Myers, 42, was killed on December 19, 1950 while en-route to investigate a hit and run accident.

Trooper Robert V. Conklin, 24, was killed on July 4, 1948, while on motorcycle patrol duty at SP Highland.

On July 17, 1945, Trooper Kenneth B. Knapp, 36, was assigned to handle a domestic complaint in the hamlet of Colchester.

Trooper Charles E. Hover died in a plane crash over northern Italy on June 5, 1945.