Basic Details Surname Oswald Forenames William Digby Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Honours DSO Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) West Yorkshire Regiment Sub-unit (Primary - Stated) 12th Battalion, 5th Dragoon Guards Rank / Title (Primary - Stated) Lieutenant - Colonel Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Prince of Wales's Own (West Yorkshire Regiment) Rank / Title (Primary - Our reference) Lieutenant Colonel Death and Burial details Town of death Somme Year of death 1916 Month of death July Age at death 36 Manner of death as stated Killed In Action Manner of death reference Killed in Action