Early Courthouse
Osceola, St. Clair Co., MO
St. Clair County was one of 15 counties organized by the Missouri General Assembly on February 15, 1841. The county was named for General Arthur St. Clair of Revolutionary War fame, who later served as the first Governor of the Northwest Territory. The first session of St. Clair County Court was held at the home of William Gash in Doyal Township, the next two sessions were held at Wyatt’s Grove, a mile east of the present town of Roscoe. After a bitter contest, the county seat was located at Osceola. A $15,000 two-story brick courthouse was erected and stood until the Civil War.