WI 15th Inf Co H. Residence: Columbia County, Wisconsin. Civil War: Age 24. Unmarried. Enlisted for three years on 10 Dec 1861 at Madison, Wisconsin, and mustered there on 13 Feb 1862. Corporal. Promoted to Sergeant. Died of disease in a hospital at Clear Creek, near Corinth, Mississippi, 22 Jul 1862. Buried in the National Cemetery at Corinth. Sources: (WHS Series 1200 box 76-10; red book vol 20 p112) (Buslett p563) (Ulvestad p298) (Ager p310) “Johnson, Markus”