Mount Vernon, a city and the county-seat of Jefferson county, Illinois, U.S.A., about 75 m. E. by S. of St Louis. Pop. (1890), 3233; (1900), 52 I 6, of whom iii were foreign-born. It is served by the Chicago & Eastern Illinois, the Louisville & Nashville, the Wabash, Chester & Western, and the Southern railways. It is the headquarters of the fourth appellate court district of the state. Mount Vernon was settled in 1818, incorporated as a village in 1837 and chartered as a city in 1872. Many of its buildings were destroyed by a cyclone on the 19th of February 1888.
Mount Vernon
