After he entered the Order, MacGeoghegan was educated at the College of the Immaculate Conception operated in Prague by the friars for their Irish members due to the restrictions on the Catholic faith in their homeland during that period.
^Annette Kehnel, Clonmacnois the Church and Lands of St. Ciarán:Change and Continuity in an Irish Monastic Foundation (6th- to 16th Century), 1995, Transaction Publishers, Rutgers – State University, USA. ISBN3-8258-3442-5