Well-educated, he learned Ecclesiastical Latin and Koine Greek, but also spoke the Classical Gaelic literary language and the Munster Irish vernacular. At the age of eighteen, he left to study for the priesthood in Catholic Europe. He is known to have studied for the priesthood first at the Irish College in Valladolid and then at the Collège des Grand Augustins in Paris, and that he was ordained around 1634. He and then spent five years (1636–1641) in Brussels, Belgium. Edited by Patrick J. Cornish and Benignus Millet (2005), The Irish Martyrs, Four Courts Press, Dublin. Pages 176-180.
