Commemorated at Memorial Name Sydney Technical High School First World War Honour Roll Given name Oscar Charles Family name Kellner Gender Male Service number 1524 Conflicts First World War, 1914–18 Fate Returned to Australia (RTA) Fate date 04 December 1918 Additional information Last held rank Lieutenant Unit at embarkation 3rd Battalion Veteran Notes/Bio • Enlisted on 24 April 1916 • Served on the Western Front • Other decorations: Victory Medal Do you know more about this war Veteran? Click here to learn how you can contribute