|Name at Enlist||Lars Larson|
|Other Names||Olsen Gjerdager|
|Lived||ca. 1820 -|
|Residence at Muster-In||Martell, Pierce County, WI|
|Company at Enlistment||G|
|Rank at Enlistment||Private|
|Muster Date||4 Jan 1862|
Lars Larson was born in Voss, Norway. He joined the WI 15th Infantry, Company G as a Private (Menig) on January 4, 1862. He mustered at Madison, WI. The men of the company called themselves the "Rock River Rangers." The army listed him as living in Martell, Pierce County, WI, aged 41, and married. He was discharged for a disability due to disease at Mississippi Island No. 10 on May 13, 1862. In 1876, a minor named Judson Warner filed a pension in Larson's name.
Sources: Series 1200: Records of Civil War Regiments, 1861-1900, Wisconsin Adjutant General’s Office, Archives, Wisconsin Historical Society, Madison, box 76-9, red book, Vol. 20, p.102; Det Femtende Regiment, Wisconsin Frivillige [The Fifteenth Regiment, Wisconsin Volunteers], Ole A. Buslett, 1894, Decorah, IA, p. 537; Oberst Heg og hans gutter, Waldemar Ager, 1916, Fremad Pub. Co., Eau Claire, WI, p.312; Civil War Pension Index, Roll #T288_274.