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In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Johnstown like this:
JOHNSTOWN, a suburb of Carmarthen; with a postoffice under Carmarthen.
Johnstown is now part of CARMARTHENSHIRE District. Click here for graphs and data of how CARMARTHENSHIRE has changed over two centuries. For statistics about Johnstown itself, go to Statistics.
How to reference this page:
GB Historical GIS / University of Portsmouth, History of Johnstown in Carmarthenshire | Map and description, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/place/26852
Date accessed: 14th February 2026
Click here for more detailed advice on finding places within A Vision of Ireland through Time, and maybe some references to other places called "Johnstown".
