John Patterson (Ohio politician)  John Patterson (February 10, 1771 – February 7, 1848) was a member of the U.S. House of Representatives from Ohio. John Patterson (half brother of Pennsylvania congressman Thomas Patterson) was born in Little Britain Township, Pennsylvania. He moved with his parents to Pattersons Mills, Cross Creek Township, Pennsylvania, in 1778. He attended the common schools, and moved to St. Clairsville, Ohio. He engaged in mercantile pursuits and served as the first mayor of St. Clairsville in 1807 and 1808. He was a member of the Ohio House of Representatives in 1807 and 1808. He served in the Ohio State Senate from 1815 to 1818. He was associate judge of the court of common pleas of Belmont County, Ohio, from February 1810 to February 1815. Ohio Presidential elector in 1816 for James Monroe. He was elected as an Adams-Clay Republican to the Eighteenth Congress. He was engaged in the hardware business and in agricultural pursuits. He died in St. Clairsville in 1848. Interment in Union Cemetery.