THERFIELD, a parish in the hundred of ODSEY, county of HERTFORD, 2 miles (S. W. by S.) from Royston, containing 872 inhabitants. The living is a rectory, in the archdeaconry of Huntingdon, and diocese of Lincoln, rated in the king's books at & 50, and in the patronage of the Dean and Chapter of St. Paul's, London. The church is dedicated to St. Mary.