1418 in Ireland

• Lord: Henry V

• The Great Book of Lecan is completed at Enniscrone. (Started in 1397).{{cite web|title=Leabhar Mór Leacain / The Book of Lecan|url=https://www.ria.ie/library/catalogues/special-collections/medieval-and-early-modern-manuscripts/leabhar-mor-leacain|website=Royal Irish Academy|access-date=17 April 2018|language=en|date=31 August 2015}}
• James FitzGerald, 6th Earl of Desmond deprived Thomas FitzGerald, 5th Earl of Desmond of his earldom and dispossess him for marrying far below his station.Webb, Alfred. [http://www.libraryireland.com/biography/ThomasDesmond6thEarl.php A Compendium of Irish Biography]. Dublin: 1878. Catherine was the daughter of one of Thomas's dependants, William MacCormac, known as "the Monk of Feale."Cokayne, George Edward, [https://books.google.com/books?id=k7IKAAAAYAAJ Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct, or Dormant. Volume III]. London: George Bell & Sons. 1890. p. 85 The marriage between a man of Norman ancestry and a woman of Gaelic blood was in violation of the Statutes of Kilkenny.

• James Ormonde, Lord Treasurer of Ireland, Earl of Ormonde{{Cite book |last=Richardson |first=Douglas |year=2011 |title=Magna Carta Ancestry: A Study in Colonial and Medieval Families |editor-first=Kimball G. |editor-last=Everingham |location=Salt Lake City |edition=2nd |volume=I |page=382 |isbn=978-1449966379 }}

• Gilla Isa Mor mac Donnchadh MacFhirbhisigh, historian, scribe and poet.

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Category:1410s in Ireland

Ireland

Category:Years of the 15th century in Ireland

{{Years in Ireland}}

{{Year in Europe|1418}}