In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Ciliau Aeron like this:
CILIE-AERON, or Kilie-Ayron, a parish in Aberayron district, Cardigan; on the river Ayron, 4½ miles SE of Aberayron, and 8½ miles NW of Lampeter r. station. It has a post office under Carmarthen. Acres, 1, 914. Real property, £1, 011. Pop., 301. Houses, 66. The property is much subdivided. Cilie-Aeron House is the seat of D. Jones, Esq. The living is a rectory in the diocese of St. David's. Value, £100. Patron, the Bishop of St. David's. The church is good.
GB Historical GIS / University of Portsmouth, History of Ciliau Aeron, in Ceredigion and Cardiganshire | Map and description, A Vision of Britain through Time.
Date accessed: 24th March 2017
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