Calvert County, MD

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.