|Name at Enlist||Hans Olson|
|Lived||ca. 1831 -|
|Residence at Muster-In||Beloit, Rock County, WI|
|Company at Enlistment||G|
|Rank at Enlistment||Private|
|Muster Date||13 Dec 1861|
Hans Olson joined the WI 15th Infantry, Company G. The men of the company called themselves the "Rock River Rangers."
The army listed him as living in Beloit, Rock County, WI, age 30, and unmarried. He enlisted for three years on September 28, 1861 at Beloit, and mustered at Madison, WI on December 13, 1861 as a Private (Menig). He was discharged from the service at Cincinnati, OH on August 11, 1862, for disability due to disease.
Sources: Series 1200: Records of Civil War Regiments, 1861-1900, Wisconsin Adjutant General’s Office, box 76-9; Regimental muster and descriptive rolls, 1861-1865, Wisconsin Adjutant General’s Office, vol.20, p.104; Det Femtende Regiment, Wisconsin Frivillige [The Fifteenth Regiment, Wisconsin Volunteers], Ole A. Buslett (Decorah, Iowa, 1894), p.541; Oberst Heg og hans gutter, Waldemar Ager, 1916, Fremad Pub. Co., Eau Claire, WI, p.313.