Son of Thomas Bennett Humphreys (qv); studied at Guy's Hospital, where he was House Surgeon. He practised first with his father, 19 Trinity Square, London, E, and then at 121 Lansdowne Road, Notting Hill. Later he and his father exchanged addresses. From Trinity Square he further changed addresses in succession to 24 Sinclair Gardens, West Kensington; 44 Addison Gardens; and 78 Lansdowne Road, Notting Hill. He was Assistant Surgeon to the 26th Middlesex Rifle Volunteers, later Surgeon Major in the 15th Battalion of the same regiment, He died on January 29th, 1920.