Born in Sale, Victoria and a Bank Clerk by occupation, Leonard Charles Cockcroft was 19 years and single when enlisted on the 9th of August 1917 in the 37th Battalion, 8th Reinforcement, Australian Imperial Force, with the rank of Private, Number 3282, and was listed as returned to Australia on the 14th of December 1918. His Unit embarked from Melbourne, Victoria, on board HMAT A38 'Ulysses' on the 22nd of December 1917. Wounded in action on the 31st of August 1918 and Invalided to UK wounded on the 4th of September 1918. On the 18th of September 1918 transferred to the 3rd Auxiliary Hospital Gunshot wound left leg. Returned to Australia per H.S. 'Burma' gunshot wound left leg on the 14th of December 1918. Discharged from the 3rd Military District ex A.I.F. ex 'Somali' on the 22nd of February 1919. Tree No. 3018