Basic Details Surname Mackreth Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Commoner Exeter College Oxford 1911: he is also listed on the Thiepval Memorial. Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) RE Rank / Title (Primary - Stated) Lt Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Engineers Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death France Town of death Somme Year of death 1916 Month of death September Day of death 15 Age at death 23 Manner of death as stated Not Stated on Memorial Manner of death reference Killed in Action Personal Details Occupation Not Stated on Memorial