 The name “Clár Átha an Dá Choradh” has its origins in the local medieval castle first built around 1250 and reconstructed and fortified in the late 15th century.The castle is built on a site, which was an island formed by a divide in the river Fergus.In the Irish Annals, the place is called “Clár Átha an Dá Choradh” or ‘the board of the ford of the two weirs’.