|Name at Enlist||Andrew T. Thompson|
|Other Names||Andreas Tommesen|
|Lived||ca. 1839 - 22 May 1862|
|Residence at Muster-In||Deerfield, Dane County, WI|
|Company at Enlistment||H|
|Rank at Enlistment||Sergeant|
|Muster Date||13 Feb 1862|
|Cause of Death||Disease|
|Death Location||Mississippi River Island No. 10|
|Burial Location||Mississippi River National Cemetery near Memphis, TN|
Andrew T. Thompson 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 him as living in Deerfield, Dane County, WI, age 22, and unmarried. He enlisted for three years on November 15, 1861, at Madison, WI, and mustered there on February 13, 1862, as a Sergeant (Sersjant). He died of disease in a hospital at Mississippi River Island No. 10 on May 22, 1862. He was buried in Mississippi River National Cemetery near Memphis, TN.
Sources: Series 1200: Records of Civil War Regiments, 1861-1900, Wisconsin Adjutant General’s Office, Archives, Wisconsin Historical Society, Madison, box 76-10, 77-3; Regimental Muster and Descriptive Rolls, 1861-1865, Wisconsin Adjutant General’s Office, Archives, Wisconsin Historical Society, Madison, vol.20, p.112; Det Femtende Regiment. Wisconsin Frivillige [The Fifteenth Regiment, Wisconsin Volunteers], Ole A. Buslett, 1894, B. Anundsen, Decorah, IA p.575; Nordmaendene i Amerika, Martin Ulvestad, 1907, History Book Co., Minneapolis, MN, p.261; Oberst Heg og hans Gutter [Colonel Heg and his bosy], Waldemar Ager, 1916, Fremad Publ. Co., Eau Claire, WI, p.311.