Career
Jackson was the 23rd Governor of Mauritius from 30 August 1930 to 7 June 1937 and was knighted on 3 June 1931. Colonial secretary Edward Walter Evans (1890–1985) acted in place of him for these periods, when he was absent because of professional reasons. Afterwards Jackson served as Governor of British Guiana from 19 November 1937 to 7 November 1941., and then he was Governor of Tanganyika from 19 June 1941 to 28 April 1945.