Basic Details Surname Upjohn Forenames William Moon Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Welsh Guards Sub-unit (Primary - Stated) Prince of Wales Company Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Welsh Guards Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death France Town of death St Leger Year of death 1918 Month of death August Day of death 24 Age at death 33 Manner of death as stated Killed in Action Manner of death reference Killed in Action