CALVERT COUNTY, situated in the south part of Maryland, between Patuxent river and Chesapeake bay. Area, 264 square miles. Seat of justice, Prince Frederick. Pop. in 1840, 9,229; in 1850, 9,646.
Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 64.