Basic Details Surname Clark Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Service (Primary - Stated) British Army Unit (Primary - Stated) Border Regiment Sub-unit (Primary - Stated) 21st Battalion (?) Rank / Title (Primary - Stated) Not Stated on Memorial Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Border Regiment