Basic Details Surname Stone Forenames Sidney John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number J/27238 Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) Royal Navy Sub-unit (Primary - Stated) HMS Clan Naughton Rank / Title (Primary - Stated) Boy 1st Class Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Boy First Class Death and Burial details Cemetery Plymouth Naval Mem Year of death 1915 Month of death February Day of death 3 Age at death 17 Manner of death as stated Drowned Manner of death reference Killed in Action