The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 1, South Wales., byJones, I.G. & Williams, D. UWP, Cardiff, 1976. These statistics for this parish are extracted from this book which in turn got them from the 1851 census itself;
- Area 1914 acres; Population 129 males, 173 females, total 302
Places, villages, farms etc within Ciliau Aeron as shown on the online parish map from the CD of Historic Parishes of England and Wales: an Electronic Map of Boundaries before 1850 with a Gazetteer and Metadata [computer file]. (Kain, R.J.P., Oliver, R.R.). (Extracted by Gareth Hicks)
- Ciliau Aeron (60A - portion of parish in Llan hundred); Afon Aeron; Ciliau Aeron (village); Ciliau-uchaf; Foelallt; Parc-neuadd;
- Ciliau Aeron (60B - portion of parish in Troed-yr-aur hundred); Blaen-canog; Moelfre; Pant-yr-yn; Pen-graig;
Kelly's Directory South Wales 1910
With the kind permission of the publisher, these selected extracts below are taken from "The History of Cardiganshire" by S R Meyrick, 1810, specifically the reprint of the 1907 imprint published by Stephen Collard in July 2000.
- "Ciliau Aeron, which literally implies 'the retreats on the Aeron', is the name of a parish lying to the south of Llanychaeron, and contains a handsome park the property of Colonel Lewis."
- "The names of the last three incumbents of the parish church were 1760, the Rev. David Davies; - the Rev Jenkin Jenkins ; - and the Rev. John James Jones."