Home» Monastic Sites» Clare» Dysert O Dea Monastery (Irish: Díseart Uí Dheá) Dysert O Dea Monastery (Irish: Díseart Uí Dheá) Clare About This Site Gaelic monks founded before 735 by Tola; remains of 12th-century church on site Other Sites in Clare Annagh (Ibrickan By.) Holy Well The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment… Learn More Anneville Holy Well The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment… Learn More Ardataggle Holy Well The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment… Learn More Ballaghboy (Bunratty Upper By.) Holy Well The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment… Learn More