In 1887, John Bartholomew's Gazetteer of the British Isles described Errigal Keerogue like this:
Errigal Keerogue, par., S. co. Tyrone, on river Blackwater, 21,139 ac., pop. 4906; contains Ballygawley.
GB Historical GIS / University of Portsmouth, History of Errigal Keerogue, in and County Tyrone | Map and description, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/place/27241
Date accessed: 30th September 2024
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