Isham J. H. Clark, age 22, enlisted as a Private in Captain E. C. Postell's Company, 24th Regiment Mississippi Volunteers** September 15, 1861 in Madison County, Mississippi, captured at Lookout Mountain November 24, 1863, transferred to Rock Island, Illinois prison camp December 3 arriving two days later, transferred May 3, 1865 to New Orleans for exchange, arrived New Orleans May 17, exchanged on the 23rd, his file contains correspondence from the Adjutant General, War Department, with the Chairman, Oaklahoma Board of Pension Commissioners, dated September 14, 1915

**This company subsequently became Company E, 24th Mississippi Infantry