Born in Colac, Victoria and a Clerkand Typist by trade, John Joseph Brophy was 21 years and single when enlisted on the 5th of July 1915 in the Field Artillery Brigade 4, Head-Quarters, Australian Imperial Force, with the rank of Gunner. His Unit embarked from Melbourne, Victoria, on board HMAT A18 'Wiltshire' on the 18th of November 1915. On the 12th of May 197 admitted to the 2nd Scottish General Hospital; on the 19th of June 1919 transferred to the 1st Auxiliary Hospital, Harefield; on the 19th of October 1919 admitted to the 3rd Canadian General Hospital- influenza. On the 30th of October 1918 discharged from hospital and admitted to the 7th Convalescent Depot; on the 1st of November 1918 admitted to the 5th rest Camp, Boulogne; on the 29th of December 1919 admitted to Hospital-Diarrhoea. On the 14th of April 1919 detached to duty with A.I.F. Headquarters, London from 2nd Divisional Signal Company (Demobilization). Embarked per 'Mahana' for return to Australia on the 25th of September 1919 and disembarked on the 10th of November 1919 at Melbourne. Discharged on the 19th of February 1920 from the 3rd Military District. Tree No. 2623