Born in Ballarat, Grenville and a Clerk by occupation, Roy Barclay Bult was 20 years and single when enlisted on the 16th of July 1915 in the 24th Battalion, 4th Reinforcement, Australian Imperial Force, with the rank of Private, Number 2223. His Unit embarked from Melbourne, Victoria, on board HMAT A20 'Hororata' on the 27th of September 1915. On the 25th of May 1916 appointed Lance Corporal; transferred from 1st Australian General Hospital to A.I.F. Headquarters London on the 4th of August 1917; to be 2nd Lieutenant and posted to Infantry Reinforcements on the 1st of December 1917. Promoted Lieutenant on the 1st of March 1918. Lieutenant admitted to the 20th Casualty Clearing Station on the 28th of April 1918 suffering from acute arsenical poisoning; on the 18th of October 1918 on command at No. 2 Officers Cadet Battalion Cambridge. On the 18th of December 1917 proceeded overseas to France. On the 12th of May 1918 invalided to U.K. and was listed as returned to Australia on the 23rd March 1919. Disembarked on the 21st of May 1919 from the 3rd Military District. Discharged from the 3rd Military District with termination of period of enlistment on the 14th of July 1919. Tree No. 2780