About the Office

¹Reeves resigned in July 1825; the office was vacant until the inauguration of Daniel Dunklin. ²Boggs became governor when Dunklin resigned in 1836. ³Marmaduke served as governor for nine months after the death of Reynolds in 1844. ⁴Lt. Governor Wilson Brown died in office in August 1855. The office was vacant until Hancock Lee Jackson was elected in August 1856. Jackson served as governor from February through October 1857, after the resignation of trusten Polk. After Robert Stewart’s Inauguration, Jackson resumed his lieutenant governor duties. ⁵The office of lieutenant governor, held by Thomas Caute Reynolds, was declared vacant by the Missouri State convention. Willard Preble Hall was elected provisional governor by the convention on July 31, 1861. ⁶Hall succeeded to the governorship following the death of Gamble in July 1864. ⁷Gravelly died in office in April 1872; theoffice remained vacant until the November 1872 general election. ⁸Morehouse succeeded to the governorship following the death of Marmaduke in 1887; his office remained vacant until the inauguration of Claycomb. ⁹Lee resigned the lieutenant governor’s office in 1903; Senate President Pro Tempore Thomas L. rubey assumed the duties of the office until the inauguration of McKinley. ¹⁰Harris died in office in December 1944; the office remained vacant until the newly-elected Walter N. Davis took the oath in January 1945. ¹¹Long appointed to a vacant United States Senate seat in September 1960. ¹²Wilson succeeded to the office of governor in October 2000 upon the death of Governor Mel Carnahan. ¹³Lieutenant Governor-Elect Joe Maxwell was appointed to the vacant office to serve until his inauguration in January 2001.

¹⁵Governor Michael L. Parson appointed Senate Majority Floor Leader Mike Kehoe to the vacant office on June 18, 2018.