10th C – St. Molua’s Oratory, Killaloe, Co. Clare
St. Molua’s Church was originally constructed on Friar’s Island in the River Shannon, to the south of Killaloe town. Believed to have been constructed in two stages around the 9th and 10th centuries.
1189 – Clare Abbey, Clarecastle, Co. Clare
Established by Donal Mor O’Brien in 1189, the abbey at Clarecastle, County Clare was the first, largest and most important Augustinian house in the region.
1195 – Corcomroe Abbey, Ballyvaughan, Co. Clare
Officially “Sancta Maria de Petra Fertili” or “Saint Mary of the Fertile Rock”. Corcomroe Abbey is sited a few miles from Ballyvaughan within sight of the coast.
1200c – Dysert O Dea Monastery, Co. Clare
The Dysert O Dea Monastic Site is home to the Dysert O Dea Church and the remains of a Round Tower.
1240 – Ennis Abbey, Co. Clare
The origins of Ennis date back to 1240AD when Donnchadh Caribreach O’Brien helped establish the Franciscan Order in Ennis, by his offer of hospitality to wandering Friars.
12th C. – St. Flannan’s Oratory, Killaloe, Co. Clare
Standing in the graveyard to the north of Killaloe Cathedral is St Flannan’s late 11th or early 12th century oratory. It may have been built to house the remains of the saint.
1425 – Bunratty Castle, Co. Clare
The present structure was completed by the MacNamara family around 1425 but 50 years later was in the hands of the O’Briens,
15th C. – Caislean Sean Muckinish, Ballyvaughan, Co. Clare
Ruined tower house on the coast just outside Ballyvaughan. The Castle of Shanmuckinis, now generally called the Castle of Ballynacregga, is a square castle measuring twenty eight feet six inches by twenty five feet six inches and seventy four feet in height.
1600 – Gleninagh Castle, Co. Clare
Gleninagh Castle is a well-preserved sixteenth-century tower house stands guard over the northern shoreline of the Burren. It is an L-shaped building with a spiral stairway in the narrower east section.
1640 – Lemenagh Castle, Co. Clare
Lemenagh Castle was both a castle (1480) and fortified house (1640) and was one of the principal strongholds of the O’Brien’s.
