Basic Details Surname Willbourne Forenames Jack Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 54278 Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Duke of Cambridge's Own (Middlesex Regiment) Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Country of burial France Town of burial Steenwerck Cemetery Croix-du-Bac British Cemetery, Steenwerck Year of death 1918 Month of death April Day of death 9 Age at death 18 Manner of death as stated Killed in France Manner of death reference Killed in Action