Basic Details Surname Henderson Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Honours Mentione in Despatches Notes PIRNMILL First World War (1914-1918) Primary Service As stated on memorial Service (Primary - Stated) British Army Unit (Primary - Stated) Black Watch Sub-unit (Primary - Stated) Not Stated on Memorial Rank / Title (Primary - Stated) Sergt. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Black Watch (Royal Highlanders) Rank / Title (Primary - Our reference) Sergeant