Charles John Barker was born in Ballarat and was a Labourer by trade when he enlisted in the 5th Battalion, 15th Reinforcement on 8 July 1915 at the age of 23. His unit embarked from Melbourne, Victoria, on board HMAT A18 Wiltshire on 7 March 1916. On September 5th 1916 he was slightly wounded but was able to remain on duty. Illness saw him in and out of hospital through the first half of 1917. On September 27th 1917 he was again wounded in action, suffering a gunshot wound to his left hand. He recovered and rejoined his unit only to be wounded for a third time when he was gassed on April 25th, Anzac Day, 1918. He was evacuated to hospital in England and was unable to rejoin his unit until after the Armistice. He sailed from England on May 8th 1919, aboard the Devanha and disembarked in Australia on June 23rd.
Tree No 1403