Basic Details Surname Clarkson Forenames W B Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Died On Active Service Gas Poisoning Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) York and Lancaster Regiment Sub-unit (Primary - Stated) 2nd Battalion Rank / Title (Primary - Stated) Second Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The York and Lancaster Regiment Rank / Title (Primary - Our reference) Second Lieutenant Death and Burial details Year of death 1918 Month of death June Day of death 20 Manner of death as stated Other Manner of death reference Other