John T. Grigsby

John Thomas Grigsby (January 5, 1890 – January 14, 1977) was an American politician. Between 1929 and 1931 he served as Lieutenant Governor of South Dakota.

Early life and Grigsby family John Grigsby was born in Sioux Falls, South Dakota. He was a brother of Sioux K. Grigsby (1873–1968) who was Lieutenant Governor of South Dakota between 1945 and 1949 and of George B. Grigsby (1974–1962) a delegate to the United States House of Representatives from the Territory of Alaska. Politically he joined the Democratic Party. His father Melvin Grigsby, was a veteran of the American Civil War and Spanish American War who served as Attorney General of South Dakota. As lieutenant to Governor William J. Bulow, Grigsby's main function was to preside over the South Dakota Senate. He did not run for a full term, and returned to practicing law. He later moved to Washington, D.C. to work as an attorney for the U.S. Department of Justice.

In 1969, Grigsby retired to Carthage, Missouri. He died at the State Chest Hospital in Mount Vernon, Missouri on January 14, 1977 and was buried on the Odd Fellows Cemetery in Neosho, Missouri.