Commemorated at Memorial Name Mullumbimby Presbyterian Church Great War Roll of Honour Given name H E Family name Byrnes Gender Male Service number 553 Conflicts First World War, 1914–18 Additional information Last held rank Sergeant Unit at embarkation 2nd Light Horse Field Ambulance 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