a prelate of the Roman Catholic Church who served as the first bishop and archbishop in the United States. He served as the ordinary of the Archdiocese of Baltimore, Maryland. Carroll is also known as the founder of Georgetown University (the oldest Catholic university in the United States), and of St. John the Evangelist Parish of Rock Creek (now Forest Glen), the first secular (or diocesan, meaning that its clergy did not come from monastic orders) parish in the country.
