NORTHBOROUGH, a parish in the liberty of PETERBOROUGH, county of NORTHAMPTON, 1 mile (S. E. by s.) from Market-Deeping, containing 232 inhabitants. The living is a rectory, in the archdeaconry of Northampton, and diocese of Peterborough, rated in the king's books at £10. 19. 7., and in the patronage of the Dean and Chapter of Peterborough. The church, dedicated to St. Andrew, has a fine admixture of the Norman and the various later styles of English architecture, and contains a monument, with other memorials, to the family of Claypole, of whom John married Elizabeth, daughter of Oliver Cromwell, who created him a baronet in 1657, and made him Master of the Horse, and a Lord of the Bedchamber. Their ancient mansion, a beautiful specimen of the decorated style, has been converted into a farm-house.