WI 15th Inf Co B. Residence: Mt. Morris, Waushara County, Wisconsin. Civil War: Age 26. Unmarried. Enlisted for three years on 25 Nov 1861 at Madison, Wisconsin and mustered there the same day. Private. Was sick at Mississippi River Island No. 10, 1 Jun 1862. Sick in Bowling Green, Kentucky, 1 Jun 1863, and in Tullahoma, Tennessee, in July. Taken prisoner in the Battle of Chickamauga, Georgia, 20 Sep 1863. Died of disease in Libby Prison, Richmond, Virginia, 26 Apr 1864. Buried in National Cemetery at Danville, Virginia. Sources: (WHS Series 1200 box 76-4; red book vol 20 p30) (Buslett p380) (Ulvestad p277) (Ager p295) (RWV p808) (Meeker) “Ellefson, Andreas”