Basic Details Surname Henderson Forenames David Alexander Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service Our References Service (Primary - Our reference) Australian Army Unit (Primary - Our reference) Australian Infantry Rank / Title (Primary - Our reference) Private Death and Burial details Year of death 1915 Month of death May Day of death 20 Age at death 30 Manner of death as stated Killed at Gallipoli Manner of death reference Killed in Action