Arthur Henry Cocks enlisted in Melbourne, Victoria, at the age of 24 on the 6th of May 1915. He had been born in Ballarat, Victoria, was single, and was employed as a Carpenter. He volunteered and was stationed with the 23rd Battalion, 2nd Reinforcement with the Regimental number 1687. He was discharged and Returned to Australia on the 25th August 1917. Tree No. 3221.