[2] After spending his youth in Connacht, he returned to his native district around the year 610 and founded Roscrea Abbey, where he established a school.
[3] Previously he settled at a place known as Sean Ros or Loch Cré, which was a wooded morass far from the haunts of men.
[1] The case containing the Book of Dimma was richly gilt by order of O'Carroll, Lord of Ely, in the twelfth century.
Notwithstanding the conflicting statements arising from the number of contemporary Irish saints bearing the name Crónán, it is highly probable that St. Crónán of Roscrea, as les Petits Bollandistes say, lived as late as the year 640, and his death occurred on 28 April of that year.
[6] Saint Cronan's Boys National School in Bray, County Wicklow in Ireland is named in his honour.