St. Eustace Date of birth unknown, died March 29, 625. He was second abbot of the Irish monastery of Luxeuil in France, and his feast is commemorated in the Celtic martyrologies on the 29th of March. He was one of the first companions of St. Columbanus, a monk of Bangor (Ireland), who with his disciples … Continue reading March 29 – One of many Irish missionaries who labored to convert Central Europe