Massachusetts provided to the Union Army 5 regiments and 3 battalions of cavalry; 4 regiments, 1 battalion and 30 independent companies of heavy artillery; 18 batteries of light artillery; 2 companies of sharpshooters; and 71 regiments and 3 battalions of infantry. Most served in the eastern theater, with exceptions listed below.*
Massachusetts Infantry Regiments
The 27th, 31st, 41st, 42nd, 43rd, 44th, 45th, 47th, 48th , 49th, 50th, 52nd, 53rd, 54th, and 55th infantry regiments did not serve in the Eastern Theater. The 62nd Infantry never completed its organizaton, which was underway at war’s end.
Massachusetts Infantry Battalions
Massachusetts Sharpshooter Companies
The Independent Cavalry Battalion and the 2nd Cavalry Battalion did not serve in the Eastern Theater.
Massachusetts Heavy Artillery
*Page under development
The 1st Battalion Heavy Artillery and several independent companies of heavy artillery did not serve in the Eastern Theater.
Massachusetts Light Artillery
The 4th, 6th, 12th, 13th and 15th Light Artillery Batteries did not serve in the Eastern Theater.