LLANTHEWY-RYTHERCH, a parish in the lower division of the hundred of ABERGAVENNY, county of MONMOUTH, 4 miles (E.) from Abergavenny, containing 317 inhabitants. The living is a discharged vicarage, in the archdeaconry and diocese of Llandaff, rated in the king's books at £7. 15. 5., and in the patronage of the Crown. The church is dedicated to St. David.