Son of the Hon. Mr. Justice Kenneth Howard Hathorn and Agnes Elizabeth Hathorn, of Pietermaritzburg; husband of Alice Rosamond Hathorn, of Loop Street, Pietermaritzburg. M.A. (Cantab.). LL.B. (South Africa). Advocate of South African Supreme Court. His brother died on service in WW1
LG Sup 20 December 1918 pg. 14936 as Lt. with 6 Dragoon Guards in WW1