Basic Details Surname Mackay Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Royal Engineers Rank / Title (Primary - Stated) Q.M.S. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Engineers Rank / Title (Primary - Our reference) Quarter Master Sergeant Death and Burial details Country of burial France Town of burial Rouen Year of death 1916 Month of death April Day of death 21 Age at death 51 Manner of death as stated Fell in action in the Great War Manner of death reference Killed in Action