Henry Hollioake enlisted in Blackboy Hill, Western Australia at the age of 25 on the 10th of January 1915. He had been born in Ballarat, Victoria was single, and was employed as a Miner. He volunteered and was stationed with the 28th Battalion, 10th Reinforcement later transferring to the 4th Pioneer Battalion with the Regimental number 4129. He was discharged and Returned to Australia on the 12th of May 1919. Tree number 3415.