Basic Details Surname Walker Forenames Harry Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Honours CMG Primary Service As stated on memorial Unit (Primary - Stated) The Black Watch Sub-unit (Primary - Stated) Fourth Battalion Rank / Title (Primary - Stated) Lt Col Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Black Watch (Royal Highlanders) Rank / Title (Primary - Our reference) Lieutenant Colonel