The son of Rev. George W. Kerby of Calgary, Harold Spencer Kerby graduated with a degree in mechanical engineering from the University of Toronto. He enlisted in the army and was wounded at Gallipoli. He transferred to the Royal Naval Air Service in February 1915. Flight Sub-Lieutenant Kerby received Royal Aero Club Aviator's Certificate 1214 on a Grahame-White biplane at the Grahame-White school, Hendon on 5 May 1915. He was posted to Naval 3 in the Dardanelles on 12 June 1915 and wounded on 26 November 1915. Flying the Sopwith Pup, Kerby scored nine victories during 1917. While serving at Walmer Air Station, he scored his last two victories in August 1917, shooting down two Gotha bombers. Kerby remained in the Royal Air Force after the war ended and served in India from 1923 to 1927. He was then attached to the Royal Canadian Air Force for two years and later commanded a squadron in Britain and was air attache at Shanghai for two years. Promoted to Air Vice Marshal, he assumed command of the Royal Air Force in East Africa in 1943. He retired from the R.A.F. in 1946.
Great Britain, Royal Aero Club Aviators' Certificates, 1910-1950
Distinguished Service Cross (DSC)
Flt. Lieut. Harold Spencer Kerby, R.N.A.S.
For the great courage and initiative shown by him on many, occasions, notably on the 12th August, 1917, when he attacked hostile machines returning from a raid on England. One hostile machine was driven down by him to the water, where it was observed to turn over.