ArmstonArmston is a hamlet and former civil parish, now in the parish of Polebrook, in the North Northamptonshire district, in the ceremonial county of Northamptonshire, England. In 1931 the parish had a population of 22.HistoryThe hamlets name means 'Eorm's/Earnmund's farm/settlement'. In 1866 Armston became a civil parish, on 1 April 1935 the parish was abolished and merged with Polebrook.