Commemorated at Memorial Name Kearsley Remembrance Garden Given name William Family name Costello Gender Male Service number 3198 Conflicts First World War, 1914–18 Fate Returned to Australia (RTA) Additional information Last held rank Private Unit at embarkation 54th 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