Charles James Addison was born at Wyke Regis, Weymouth on 17 March 1854 to John Dupre and Sophia Bishop. He was christened on 11 Apr 1854 at Holy Trinity Church in Weymouth. He was appointed Surgeon, afterwards Surgeon-Captain in February 1881, promoted to Surgeon-Major, afterwards Major, in February 1893. He retired from the Army with a gratuity in November 1900. During the Great War Major Addison served in the Merchant Navy.