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1st Regiment Wisconsin Heavy Artillery
Wisconsin flag
Active December 9, 1861 to September 21, 1865
Country United States
Allegiance Union
Branch Artillery

The 1st Regiment Wisconsin Heavy Artillery was an artillery regiment that served in the Union Army during the American Civil War.


The 1st Wisconsin Heavy Artillery was originally organized by companies over a considerable period of time and did not serve together as a complete regiment.

  • Battery "A" was created from Company "K," 2nd Wisconsin Volunteer Infantry Regiment on December 9, 1861 in the Washington, D.C. defenses, assigned at various times to Fort Cass, Fort Buffalo, Fort Ellsworth, Fort Worth, Fort Rodgers and Fort Willard. The battery was mustered out on August 18, 1865.
  • Battery "B" was organized at Milwaukee, Wisconsin in September 1863 and was assigned to Fort Terrell at Murfreesboro, Tennessee and remained there until January 4, 1864. It spent the remainder of the war at Fort Clay at Lexington, Kentucky and was mustered out on August 30, 1865.
  • Battery "C" was sent to Chattanooga, Tennessee on October 30, 1863, and served in various stations in that state. The battery mustered out on September 21, 1865.
  • Battery "D" was mustered in on November 7, 1863 and was transferred to New Orleans, Louisiana on February 9, 1864 and remained there to July, 1864. The battery was transferred to the District of LaFourche, Louisiana in the Department of the Gulf until June, 1865. It mustered out of Federal service on August 18, 1865.
  • Batteries "E," "F," "O," "H," "I," "K," "L" and "M" were organized in September and October, 1864 and were sent to Washington, D.C..
    • Company "E" was assigned to Fort O'Rourke.
    • Company "F" was assigned to Fort Ellsworth.
    • Companies "G" and "H" were assigned Fort Lyon.
    • Company "I" was assigned to Fort Farnsworth.
    • Company "K" was assigned to Fort Lyon.
    • Company "L" was assigned to Fort Willard.
    • Company "M" was assigned to Forts Lyon, Fort Weed and Fort Farnsworth.

Batteries "E" to "M" were mustered out on June 26, 1865.

Total strength and casualties[]

The 1st Wisconsin Heavy Artillery initially recruited 1,777 officers and men. An additional 386 men were recruited as replacements, for a total of 2,163 men.[1]

The regiment suffered 4 enlisted men killed or died from wounds in action, and 2 officers and 77 enlisted men men who died of disease, for a total of 83 fatalities.[2]


  • Colonel Charles C. Messervy - September 9, 1864 to June 26, 1865.[3]

See also[]

  • List of Wisconsin Civil War Units


  1. The Blue Book of the State of Wisconsin, compiled and published under the direction of J. D. Beck, Commissioner of Labor and Industrial Statistics, 1907. Democratic Printing Company, State Printer, Madison, WI 1907.
  2. The Civil War Archive website after Dyer, Frederick Henry. A Compendium of the War of the Rebellion. 3 vols. New York: Thomas Yoseloff, 1959.
  3. Wisconsin Historical Society after Roster of Wisconsin Volunteers, War of the Rebellion, 1861-1865. 2 vols. 1886.