WI 15th Inf Co I. Residence: Helvetia, Waupaca County, Wisconsin. Civil War: Age 18. Unmarried. Enlisted for three years on 5 Nov 1861 at Scandinavia, Wisconsin, and mustered at Madison, Wisconsin, 20 Dec 1861. Private. Was with the provisions transport from Stevenson, Alabama, in October 1863. Served at Brigade Headquarters some time in 1864. Promoted to Corporal on 1 Sep 1864. Wounded. Mustered out at Chattanooga, Tennessee, 10 Feb 1865. Post war: Jacobson was living in 1894 at his home near Iola, Wisconsin. Sources: (WHS Series 1200 box 76-11; red book vol 20 p128) (Buslett p592; p593 photo) (Ulvestad p263) (Ager p282 photo; p314, e51)