Commemorated at Memorial Name Armidale School Old Boys and Masters Great War Memorial Gates Given name O W Family name Tooth Gender Male Service number 475 Conflicts First World War, 1914–18 Campaign Somme 1916 - 1917 Fate Killed in action (KIA) Fate date 03 December 1917 Additional information Last held rank Lieutenant Unit at embarkation 2nd Light Horse Regiment 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