LLANTILLIO-PERTHOLEY, a parish in the lower division of the hundred of ABERGAVENNY, county of MONMOUTH, 1 mile (N. N. E.) from Abergavenny, comprising the Citra and Ultra divisions, and containing 726 inhabitants, of which number, 339 are in the Citra, and 387 in the Ultra, division. The living is a discharged vicarage, in the archdeaconry and diocese of Llandaff, rated in the king's books at £8. 3. 9., and in the patronage of the Chapter of Llandaff. The church is dedicated to St. Teilaw.