Dubois, John a Roman Catholic prelate, was born in Paris, France, August 24, 1764, and ordained in 1787. He came to America in 1791; labored in Maryland and Virginia; founded Mount St. Mary's College and Seminary, Baltimore, Maryland, in 1807; succeeded John Connolly as bishop, of New York in 1826, and died in that city, December 20, 1842. He was highly revered in his own denomination. See De Courcy and Shea, Hist. of the Cath. Church in the U.S. pages 70, 104, 397 sq.