The 4th lost 1 enlisted man killed during its original 3 month service. A new 4th Massachusetts was formed for 9 months serviceĀ in 1862 and served in the Western Theater.

April 17 Left Boston under Colonel Abner B. Packard for Fortress Monroe, Va., on steamer State of Maine for three months service
April 20 Arrived Fort Monroe, fatigue and garrison duty
May 22 Assigned to Major General Benjamin Butler’s Department of Virginia.
May 27 To Newport News
June 9-10 Movement on Great Bethel
June 10
Battle of Big Bethel

The 4th Massachusetts lost 1 man killed in one of the first skirmishes of the war, characterized by an overly complex plan and friendly fire incidents between units with different color uniforms.

July 15-17 Moved to Boston
July 22 Mustered out