In 1837, Samuel Lewis's Topographical Dictionary of Ireland described Johnstown like this:
JOHNSTOWN, a village, in the parish and barony of ARKLOW, county of WICKLOW, and province of LEINSTER, 3 miles (W. by S.) from Arklow, on the road to Wexford; containing 13 houses and 44 inhabitants. Here is a neat R. C. chapel, connected with which are a residence for the priest and a school.
GB Historical GIS / University of Portsmouth, History of Johnstown, in and County Wicklow | Map and description, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/place/29684
Date accessed: 16th May 2024
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