John M. Wimer (May 8, 1810 – January 11, 1863) served as Postmaster, Alderman and the seventh person to serve as Mayor of St. Louis, Missouri.Born in Amherst County, Virginia in 1810, he came west in 1828, initially a blacksmith in St. Louis.He served two terms as mayor (1843-1844 and 1857-1858),the ninth and nineteenth term served as mayor of St. Louis. Between terms he received his postmaster’s appointment on June 14, 1845, after President James K.