THORNBY, a parish in the hundred of GUILSBOROUGH, county of NORTHAMPTON, 10 miles (N.N.W.) from Northampton, containing 1?6 inhabitants. The living is a rectory, in the archdeaconry of Northampton, and diocese of Peterborough, rated in the king's books at £13. The Rev. N. Cotton was patron in 1814. The church is dedicated to St. Helen.