Basic Details Surname Mayes Forenames John Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Died Primary Service Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Barham Death and Burial details Year of death 1941 Month of death November Day of death 28 Age at death 21 Manner of death as stated Killed at sea by enemy action Manner of death reference Killed in Action