Basic Details Surname Wilson Forenames Geoffrey Mervyn Underhill Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes REGISTER OF BRUTONIANS Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Wiltshire Regiment Rank / Title (Primary - Stated) Captain Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Duke of Edinburgh's (Wiltshire Regiment) Rank / Title (Primary - Our reference) Captain Death and Burial details Country of death France Town of death Loos Year of death 1915 Month of death September Day of death 27 Age at death 21 Manner of death as stated Killed In Action Manner of death reference Killed in Action