Fanning's Illustrated Gazetteer of the United States.... (New York: Phelps, Fanning & Co., 1853), 274.
OLDHAM COUNTY, situated on the northerly boundary of Kentucky, with Ohio river on the northwest. Area, 220 square miles. Seat of justice, Westport. Pop. in 1830, 9,563; in 1840, 7,380; in 1850, 7,629.