Basic Details Surname Mathewson Forenames Walter 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) Y & L Regt Rank / Title (Primary - Stated) Private Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The York and Lancaster Regiment Rank / Title (Primary - Our reference) Private Death and Burial details Year of death 1918 Month of death September Day of death 18 Age at death 35 Manner of death as stated Killed in action at Armentiers Manner of death reference Killed in Action