Commemorated at Memorial Name North Sydney Technical High School First World War Honour Boards Given name Sydney Hay Family name Sparks Gender Male Conflicts First World War, 1914–18 Additional information Service Australian Army - First Australian Imperial Force (1st AIF) Veteran Notes/Bio Served originally in the Australian Naval and Military Expeditionary Force and subsequently in the AIF Do you know more about this war Veteran? Click here to learn how you can contribute