Basic Details Surname Thornton Forenames J Gender Male Information stated on memorial Alternative forename James William War First World War (1914-1918) Served or died Died Service number 578SA Notes Royal Naval Reserve Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) H.M. Trawler "Garmo." Rank / Title (Primary - Stated) Second Hand Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Second Hand Death and Burial details Country of death At Sea Year of death 1914 Month of death December Day of death 20 Manner of death as stated Missing presumed killed Manner of death reference Killed in Action