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In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Dyffryn Llanfair like this:
DYFFRIN-LLANFAIR, a township in Newtown parish, Montgomery; near Newtown. Pop., 375.
Dyffryn Llanfair is now part of POWYS District. Click here for graphs and data of how POWYS has changed over two centuries. For statistics about Dyffryn Llanfair itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Dyffryn Llanfair, in Powys and Montgomeryshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/22886
Date accessed: 08th April 2026
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Dyffryn Llanfair".