Fer d Chrch mac Suibni

Fer dá Chrích mac Suibni, also known as Feardachrich, Feradach, and Ferdachricus, was an Irish abbot who served from 758 to 768. Born around 710, he was the son of Saint Suibne, Bishop of Armagh, and a descendant of the Úi Nialláin clan. His brother, Rónáin mac Suibni, was the progenitor of Clan Cernaig.

Fer dá Chrích became the 22nd coarb of Armagh following Célé Petair's death in 758, succeeding Saint Patrick. During his tenure, a feud over the abbacy led to the Battle of Emain Macha in 759, where Dúngal mac Amalgado and Donn Bó mac Con Brettan were defeated and killed by Fiachnae mac Áedo Róin. This conflict arose due to opposing factions within the abbey.

Fer dá Chrích died on May 18, 768, and was subsequently venerated as a saint. His feast day is celebrated on that date. Multiple annals and martyrologies record his death and sainthood under various names, reflecting his enduring legacy in Irish history.