In 1887, John Bartholomew's Gazetteer of the British Isles described Monasteroris like this:
Monasteroris (or Castropetre), par., King's co., on Grand Canal, 15,762ac., pop. 3151; containsEdenderry.
GB Historical GIS / University of Portsmouth, History of Monasteroris, in and County Offaly | Map and description, A Vision of Ireland through Time.
URL: https://www.visionofireland.org/place/27660
Date accessed: 01st October 2024
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