|Name at Enlist||Niels Halvorson|
|Other Names||Nils Halvorson|
|Lived||ca. 1817 - 1890|
|Residence at Muster-In||Christiania, Dane County, WI|
|Company at Enlistment||H|
|Rank at Enlistment||Private|
|Muster Date||13 Feb 1862|
|Death Location||Busseyville, Sumner County, WI|
Nels Halvorson married Ingebor Ohej in 1849. They lived in Albion, WI until 1856, then in Oakland, WI until 1861. He joined the WI 15th Infantry, Company H. The men of the company called themselves "Heg's Rifles" in honor of the 15th commander, Colonel Hans C. Heg. They were also known as the "Voss Company" because of a large number of them who were from the Voss region of Norway.
The army listed Halvorson as living in Christiania, Dane County, WI, age 45. He enlisted for three years on November 12, 1861 at Madison, WI, and mustered there on February 13, 1862 as a Private (Menig). He was left sick at Mississippi River Island No. 10 on June 11, 1862 and also at Farmington, MS on July 28, 1862. He was discharged from the service for disease at Cincinnati, OH on October 16, 1862. After the war, he lived in Busseyville, Jefferson County, WI until his death in 1890. He had seven children.
Sources: Series 1200: Records of Civil War Regiments, 1861-1900, Wisconsin Adjutant General’s Office, box 76-10; Regimental Muster and Descriptive Rolls, 1861-1865, Wisconsin Adjutant General’s Office, vol.20, p.116; Det Femtende Regiment. Wisconsin Frivillige [The Fifteenth Regiment, Wisconsin Volunteers], Ole A. Buslett, Decorah, IA, 1894, p.561; Oberst Heg og hans gutter, Waldemar Ager, 1916, Fremad Pub. Co., Eau Claire, WI, p.309; Hedberg; Nordmændene i Amerika, Martin Ulvestad, 1907, History Book Co., Minneapolis, MN, p.287.