Civil War Wiki
3rd Wisconsin Volunteer Infantry Regiment
Active June 19, 1861 to July 18, 1865
Country United States
Allegiance Union
Branch Infantry
Engagements Battle of Cedar Mountain
Battle of Antietam
Battle of Chancellorsville
Battle of Gettysburg,
Battle of Kennesaw Mountain
Battle of Bentonville

The 3rd Wisconsin was an infantry regiment that served in the Union Army during the American Civil War.


The 3rd Wisconsin assembled at Fond du Lac, Wisconsin, and mustered into Federal service on June 19, 1861.

The regiment participated in the Grand Review of the Armies on May 24, 1865, and then mustered out at Louisville, Kentucky, on July 18, 1865.

Total enlistments and casualties[]

The 3rd Wisconsin Infantry initially mustered 979 men and later recruited an additional 940 men, for a total of 1919 men.[1] The regiment lost 9 officers and 158 enlisted men killed in action or who later died of their wounds, plus another 2 officers and 113 enlisted men who died of disease, for a total of 282 fatalities.[2]


  • Colonel Charles Hamilton - May 11, 1861, to August 10, 1861 - Promoted to brigadier general.
  • Colonel Thomas H. Ruger - August 10, 1861, to November 29, 1862 - Promoted to brigadier general.
  • Colonel William Hawley - March 10, 1863, to July 18, 1865



See also[]

  • List of Wisconsin Civil War Units