Edited sentence: Guillaume le Maréchal (or William Marshall), Earl of Pembroke and son in law of Strongbow, founded an Canons_Regular Augustinian Abbey in Kilrush at the start of the thirteenth century which subsisted until the Suppression of the Monasteries in the 1540s.In 1642, James Butler, Earl of Ormond defeated his second cousin Richard Butler, Lord Mountgarrett, on the high grounds of Kilrush and Bullhill, a victory was considered so important that the English House of Commons voted him £500 for the purchase of a jewel, and petitioned the King to create him a Knight of the Garter.In 738 at the Battle of Uchbad (Ballyshannon, Grid reference N78830), Aed Allin defeated the Laigin and established Kildare’s hegemony over the kingship of Leinster that would last nearly 300 years.The site has since then been known as Battlemount (Grid reference S 77276).Two battles were fought nearby