Some books and reference material regarding medieval Ireland
The Oxford Illustrated History of Medieval Europe Early Medieval Ireland, 400-2000, Daibi O Croinin, Routledge, England, 2017, ISBN 978-1-138-88543-1. Pagan Celtic Ireland: The Enigma of the Irish Iron Age, Barry Rafferty, Thames and Hudson Publishers, London, Reprinted in 2000, ISBN 0-500-27983-7. The Archaelogy of Early Medieval Ireland, Nancy Edwards, B.T. Batsford Ltd., London, 1996, ISBN 0 7134 7995 7. The Celts, Frank Delaney, HarperCollins Publishers, London, 1989, ISBN 0 586 20349 4.
Economic and Social History of Medieval Europe, Henri Pirenne, Harcourt, Brace and Company, New York, 1937, no ISBN. IN SEARCH OF ANCIENT IRELAND (a DVD from shoppbs.org) explores events and stories from 2000 B.C., when Stone Age farmers built some of Europe's largest and most spectacular Neolithic monuments, to 1167 A.D., when invading Normans seized Ireland for England's king. Archaeological evidence helps document a wealth of Celtic myths and legends, preserved in oral form and first recorded on paper, much embellished, by 9th-century Christian monks. How the Irish Saved Civilization: The Untold Story of Ireland's Heroic Role from the Fall of Rome to the Rise of Medieval Europe, Thomas Cahill, New York, Doubleday, 1996, ISBN 0-385-41849-3 Atlas of Irish History, General Editor Sean Duffy, Gill and Macmillan, Dublin, 1997, 2000 (no ISBN) The Concise History of Ireland, Sean Duffy, Gill and Macmillan, Dublin, ISBN 13:978 07171 3810 4, 2005 A History of Medieval Ireland, by A.J. Otway-Ruthven, published by Ernest Benn Ltd., London, 1968, hardcover, BIFHSGO Library 941.5 OTW Medieval memories and the reformation of religious identity: Catholic and Anglican interactions with parish church sites in County Limerick, Ireland, by Eugene Costello. (downloaded from https://doi.org/10.1080/00794236.2017.1377512 ... Al) Digging For Britain - Ireland's Treasures Uncovered, This is the TVO version of the very good episode of the BBC featuring early Archaelogy in Ireland. NOTE: This is available online only until June 3, 2018. What Life Was Like Among Druids and High Kings: Celtic Ireland AD 400 - 1200, Time-Life Books, Alexandria, Virginia, ISBN 0- 7835-5455-9 “The unadulterated Irish language”: Irish Speakers in Nineteenth Century New York, by Edward O'Reilly, March 17, 2015 Irish Language Speakers in the Ottawa, Canada area at the time of the 1901 Census. Medieval memories and the reformation of religious identity: Catholic and Anglican interactions with parish church sites in County Limerick, Ireland, in "Post-Medieval Archaeology" 51/2 (2017), 332-353 July 23, 2018: (added three excellent documentaries) Scotland - Rome's Final Frontier - An excellent 1 hour documentary by BBC Scotland How the Celts Saved Britain, Episode 1: A New Civilisation -- Another 1 hour documentary How the Celts Saved Britain, Episode 2: Salvation -- Another 1 hour documentary
Some early maps relative to Medieval Ireland and Celtic History in Europe Ogham Stones in Medieval Ireland
Holy Wells in Ireland - See https://en.wikipedia.org/wiki/Holy_well The Holy Well at Mount Saint Patrick, Renfrew County, Ontario, Canada