The Very Rev Harold Costley-White, DD was an Anglican dean and author in the mid 20th century.Born in 1878, he was educated at Malvern and Balliol and ordained in 1902. He was an Assistant Master at Sherborne and Rugby. From 1910 to 1936 he held Headships at Bradfield College, Liverpool College and Westminster. In 1936 he became Canon of Westminster and two years later Dean of Gloucester, serving for 15 years. He died on 5 April 1966.