Basic Details Surname Johnstone Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number S/4667 Primary Service As stated on memorial Unit (Primary - Stated) Black Watch Sub-unit (Primary - Stated) 9th Battalion Rank / Title (Primary - Stated) Private Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Black Watch (Royal Highlanders) Rank / Title (Primary - Our reference) Private Death and Burial details Year of death 1917 Month of death July Day of death 31 Age at death 25 Manner of death as stated Killed in action Manner of death reference Killed in Action