THORNBOROUGH, a parish in the hundred and county of BUCKINGHAM, 3 miles (E.) from Buckingham, containing 572 inhabitants. The living is a discharged vicarage, in the archdeaconry of Buckingham, and diocese of Lincoln, rated in the king's books at £8. 17., endowed with £200 royal bounty, and in the patronage of Sir H.Verney, Bart. The church is dedicated to St. Mary.