In 1887, John Bartholomew's Gazetteer of the British Isles described Ballywillin like this:
Ballywillin, par., on border of cos. Antrim and Londonderry, containing Portrush, 4675 ac., pop. 2512.
GB Historical GIS / University of Portsmouth, History of Ballywillin, in and County Londonderry | Map and description, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/place/28025
Date accessed: 07th May 2024
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