RUAN-LANYHORNE, a parish in the western division of the hundred of POWDER, county of CORNWALL, 2 miles (S. W.) from Tregoney, containing 376 inhabitants. The living is a rectory, in the archdeaconry of Cornwall, and diocese of Exeter, rated in the king's books at £12, and in the patronage of the President and Fellows of Corpus Christi College, Oxford. The church is dedicated to St. Rumon. There is a place of worship for Wesleyan Methodists. The Tre- goney river is navigable on the north-west. The petty sessions for the division are held here, on the first Monday in every month. John Whitaker, B. D., the learned historian and antiquary, was for thirty years- rector of this parish; he died in 1808, and was buried in the church.