WI 15th Inf Co F. Residence: Christian County, Illinois. Civil War: Age 24. Unmarried. Enlisted for three years on 11 Jan 1862 at Springfield, Illinois. Mustered at Madison, Wisconsin, 14 Jan 1862. Commissioned First Lieutenant, 15 Jan 1862, with rank from 11 Jan. Sent to Danville from Crab Orchard because of illness on 18 Aug 1862. Wounded at Stone’s River. Became company commander in 1864. Taken prisoner at New Hope Church, Georgia, 27 May 1864 and held in Macon, Georgia, prison for four months. Exchanged 29 Sep 1864. Rejoined his company. Was given leave on 10 Nov 1864. Mustered out at Madison, Wisconsin, 14 Jan 1865. Named Captain 25 Feb 1865, retroactive to 21 Feb 1865. Sources: (WHS Series 1200 box 76-8; red book vol 20 p84) (Buslett p496; p498 photo) (Ulvestad p258) (Ager p272 photo; p306) “Simonsen, Thor”