Basic Details Surname O'Brien Forenames Humphrey Donatus Stafford Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Honours MC and Bar, MiD Primary Service As stated on memorial Service (Primary - Stated) Royal Air Force Unit (Primary - Stated) 63rd Squadron Rank / Title (Primary - Stated) Captain Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) 63 Squadron Rank / Title (Primary - Our reference) Captain Secondary Service As stated on memorial Unit (Secondary - Stated) Northamptonshire Regiment Sub-unit (Secondary - Stated) 1st Battalion Rank / Title (Secondary - Stated) Captain Our references Service (Secondary - Our reference) British Army Unit (Secondary - Our reference) The Northamptonshire Regiment Rank / Title (Secondary - Our reference) Captain Death and Burial details Country of death Iraq Year of death 1918 Month of death September Day of death 14 Age at death 29 Manner of death as stated Killed in Iraq Manner of death reference Killed in Action