Basic Details Surname Mills Forenames Sydney Henry Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Service number G/32507 Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Northamptonshire Regiment Sub-unit (Primary - Stated) 4th Rank / Title (Primary - Stated) Private Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Northamptonshire Regiment Rank / Title (Primary - Our reference) Private Secondary Service As stated on memorial Service (Secondary - Stated) Army (British) Unit (Secondary - Stated) Royal Sussex Regiment Our references Service (Secondary - Our reference) British Army Unit (Secondary - Our reference) The Royal Sussex Regiment