Basic Details Surname Thomson Forenames William Gilmour Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Royal Navy Unit (Primary - Stated) Royal Naval Volunteer Reserve Sub-unit (Primary - Stated) H.M.S> HERMES Rank / Title (Primary - Stated) Sub. Lt. Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Hermes Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Country of death At Sea Year of death 1942 Month of death April Day of death 9 Manner of death reference Killed in Action