Basic Details Surname Oliver Forenames W S Gender Male Information stated on memorial Alternative forename William Sidney War First World War (1914-1918) Served or died Died Service number 402DA Notes Royal Naval Reserve Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) H.M. Trawler "Agamemnon II." Rank / Title (Primary - Stated) Deck Hand Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Deck Hand Death and Burial details Country of death At Sea Year of death 1915 Month of death July Day of death 15 Manner of death as stated Missing presumed killed Manner of death reference Killed in Action