Mitchell County may have been named for either John M. Mitchell, an Irish patriot, or John Mitchell, an early surveyor.
The county seat was first appointed to the town of Mitchell, and newly elected officers held offices in their own cabins until a courthouse was provided.
Osage campaigned to be named the county seat, and in 1858 agreed to build a courthouse and jail to give to the county. The final court decision declaring Osage as the county seat was in 1870.
The Mitchell County Courthouse is a red brick Greek Revival structure completed in 1858 with Gothic and Italianate details built by John Bishop et al. It features four columns and a silver-domed cupola. The Mitchell County courthouse was added to the National Register of Historic Places in 1977.
Visit the Mitchell County web site for more information.
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