Basic Details Surname Hartley Forenames Leonard 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) West Yorks 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 Year of death 1915 Month of death October Day of death 29 Manner of death as stated Unknown