Commemorated at Memorial Name Southgate Public School First World War Roll of Honor Grafton Given name RT Family name McMahon Gender Male Service number 1254 Conflicts First World War, 1914–18 Additional information Address given on enlistment documents Last held rank Gunner Unit at embarkation 36th Heavy Artillery Brigade Service Australian Army - First Australian Imperial Force (1st AIF) Do you know more about this war Veteran? Click here to learn how you can contribute