LLANWNOG, a parish and a sub-district in Newtown district, Montgomery. The parish lies on an affluent of the river Severn, and on the Roman road to Chester, 6 miles W by N of Newtown r. station; contains the hamlet of Caersws, which has a post office under Newtown, Montgomery; and contains also the townships of Esgob and Castle Surnant, Uchllawrcoed, and Weeg. Acres, 10,701. Real property, £7,498. Pop., 1,631. Houses, 283. The surface is hilly, rises to altitudes of 1,500 feet and upward, and includes three lakes. Ancient British camps and other antiquities are on the hills. A Roman station was at Caersws. The living is a vicarage in the diocese of Bangor. Value, £220.* Patron, the Bishop of Bangor. The church is dedicated to StGwynog, and has an old screen. There are two Calvinistic Methodist chapels, and charities £10. The Newtown district workhouse also is here; and, at the census of 1861, had 134 inmates.—The sub-district contains also four other parishes. Acres, 45,535. Pop., 4,802. Houses, 855.

(John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72))