In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Ystradmeurig like this:
YSPYTTY-YSTRAD-MEIRIC, a parish in Tregaron district, Cardigan; 5½ miles NNE of Tregaron r. station. Post town, Tregaron, under Carmarthen. Acres, 945. Real property, £13,469; of which £12,260 are in mines. Pop., 160. Houses, 30. A cell to Strata-Florida abbey was here, and was used as a hospitium. ...
A castle also was built here by Gilbert de Clare; was frequently taken and retaken in the Welsh wars; and was demolished, in 1207, by Mallgwyn. A. hill-fort and a cairn still exist. The living is a p. curacy, annexed to Yspytty-Ystwith. There is an endowed school with £87 a year.
GB Historical GIS / University of Portsmouth, History of Ystradmeurig, in Ceredigion and Cardiganshire | Map and description, A Vision of Britain through Time.
Date accessed: 28th March 2017
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