Basic Details Surname Mosley Forenames William Arthur 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) West Yorkshire Regiment Sub-unit (Primary - Stated) 5th Bn Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Prince of Wales's Own (West Yorkshire Regiment) Death and Burial details Country of death Not Stated on Memorial Town of death Somme Year of death 1916 Month of death July Day of death 1 Age at death 25 Manner of death as stated Killed in action Manner of death reference Killed in Action