towers round dublin 22

The foundation of the first monastery is attributed to St. Cronan, otherwise called Mo-Chua, who lived possibly in the 6th century. The monastery is first mentioned in 776.
It was plundered by the Vikings in 832. In 1076 the southern half of Ireland demanded the expulsion of O'Ronain from the abbacy as it was claimed that he held it against the rightful abbot.

This probably means that the monastery had fallen into lay hands by that time. The most important remnant of the monaste...