GWYTHERIN, a village and a parish in Llanrwst district, Denbigh. The village stands on the river Elwy, under the Hiraethrog hills, 5½ miles E by S of Llanrwst town and r. station; was the place of St. Winifred's retreat and death; and has a fair on 6 May. The parish comprises 6,117 acres; and its post town is Llanrwst, Denbighshire. Real property, £1, 311. Pop., 438. Houses, 91. Much of the surface is moor and mountain. The living is a rectory in the diocese of St. Asaph. Value, £132.* Patron, the Bishop of St. Asaph. The church was originally built in connexion with the retreatplace or nunnery of St. Winifred; and it contains two rude wooden chests, enclosing a portion of St. Winifred's coffin. Four upright stones in the churchyard, one of them with a slight inscription, mark the alleged site of St. Winifred's grave.

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