1780 in Ireland
overview of Ireland-related events during the year of 1780

Events from the year 1780 in Ireland.
Incumbent
Monarch: George III
Events
August – passenger boat service begins on Grand Canal between Dublin and Sallins.
Sacramental Test abolished.
Henry Grattan demands parliamentary independence.
Lady Berry, sentenced to death for the murder of her son, is released when she agrees to become an executioner (retires 1810).
The model cotton manufacturing town of Prosperous, County Kildare, developed by Robert Brooke (East India Company officer), begins to function.
The whiskey company John Jameson is established.
Births
January – William Henry Fitton, geologist (died 1861).
12 March – David Barry, military surgeon and physiologist (died 1835).
20 March – Myles Byrne, a leader of the Irish Rebellion of 1798 and soldier in the service of France (died 1862).
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This entry incorporates text from “1780 in Ireland” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.