Cenn Con
Archived: 3 November 2026
Abstract
In 645 CE, Ireland cannot be described through a single securely dated island-wide event. The most substantial notices attached to this year occur in the Annals of Inisfallen, but that chronicle’s own modern edition signals that its entries for the year are chronologically displaced when compared with the Annals of Ulster and Annals of Tigernach. It records a battle at Cenn Con, the death of a ruler of the Déisi, and the repose of a churchman called Mac na Cerda. These are important evidence for the political and ecclesiastical world in which 645 fell, but responsible history must separate the

