Basic Details Surname O'Brien Forenames H H S Gender Male Information stated on memorial Alternative forename Horace Henry Stafford War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Unit (Primary - Stated) Northamptonshire Regt. Sub-unit (Primary - Stated) 3rd Rank / Title (Primary - Stated) Capt. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Northamptonshire Regiment Rank / Title (Primary - Our reference) Captain