Commemorated at Memorial Name Dorrigo First and Second World Wars and Korean War Honor Roll Given name W H Family name Ryder Gender Male Service number 2742 Conflicts First World War, 1914–18 Campaign Somme 1916 - 1917 Fate Killed in action (KIA) Fate date 16 August 1916 Additional information Last held rank Lance Sergeant Unit at embarkation 4th Battalion 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