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Ryan Horsman, Presiding Judge of 43rd Circuit...

Welcome to my online resource page. If you have any questions about what you see here, please call 660-646-8000, Option 1, then 1, 1.

Visit my office at 700 Webster Street, Chillicothe, Missouri.


The 43rd Judicial Circuit includes Caldwell, Clinton, Daviess, DeKalb and Livingston Counties. Voters in each county elect an Associate Circuit Judge to serve their county, and the voters of all five counties together elect two circuit judges whose jurisdiction extends to all five counties. These two circuit judges are elected in two divisions, I and II.

A Chillicothe attorney was appointed to fill an opening for the 43rd Circuit Judge for Division 1. Governor Mike Parson appointed Ryan Horsman to fill the position through the remainder of the year. Horsman won the August 2018 primary election for the position and ran unopposed in the November 2018 general election. He fills the vacancy created by the resignation of Judge Thomas N. Chapman, who now serves on the Western District Court of Appeals (see below).

CT Photo/Angie Talken, 01 02 19
Swearing-In Ceremony 12/28/18

Attorney Thomas "Tom" Chapman of Chillicothe became a circuit judge for the 43rd Judicial Circuit, Division 1, in 2011. He was elected as the presiding judge for the 43rd Judicial Circuit in 2012. He was appointed to the Missouri Court of Appeals, Western District, by Gov. Mike Parson on Thursday, August 30, and resigned as Circuit Judge on Tuesday, September 4. Chapman will succeed Judge James E. Welsh, who retired in March.

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Livingston County Court House
700 Webster St.
Chillicothe, MO 64601

The Circuit Court is located on the third floor of the historic Livingston County Courthouse.

Phone: 660-646-8000, Option 1, then 1, 1.

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  • 8:30 A.M. to 4:30 P.M. Monday thru Friday
  • Closed most state and federal holidays.

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Livingston County Courthouse
700 Webster Street
Chillicothe, MO 64601