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Poor Law Unions derived from "Births deaths and Marriages in Ireland: List of townlands in each poor law union (or Superintendent Registrars District) and Registrars District: prepared for the use of Registration Officers..". in National Library, call number Ir 9141 b 35. Some barony detail from 6 Vic. Bill dated 25th July 1842. Dublin Metropolitan police district from Municipal Boundaries Commission (Ireland) 1880 report. Dublin Map No.2.
Compiled by Brian Hollinshead, July 2018. Base map data copyright OpenStreetMap Contributors.