United States Regiments & Batteries
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. Those that only served in other theaters are not listed below.
Massachusetts Infantry Regiments
1st • 2nd • 3rd • 4th • 5th • 6th • 7th • 8th • 9th • 10th
11th • 12th • 13th • 14th • 15th • 16th • 17th • 18th • 19th
20th • 21st • 22nd • 23rd • 24th • 25th • 26th • 27th • 28th • 29th
30th • 32nd • 33rd • 34th • 35th • 36th •37th • 38th • 39th
40th • 46th • 51st • 55th* • 56th • 57th • 58th • 59th • 60th • 61st
Massachusetts Infantry Battalions
1st Infantry Battalion • 3rd Rifle Battalion
Massachusetts Sharpshooter Companies
1st Sharpshooters Company • 2nd Sharpshooters Company
Massachusetts Cavalry
1st Cavalry • 2nd Cavalry • 3rd Cavalry • 4th Cavalry • 5th Cavalry (Colored)
Devin’s Mounted Rifle Battalion
Massachusetts Heavy Artillery
Unattached Heavy Artillery Companies
1st Heavy Artillery • 2nd Heavy Artillery* • 3rd Heavy Artillery • 4th Heavy Artillery
*Page under development
Massachusetts Light Artillery
1st Battery • 2nd Battery • 3rd Battery • 5th Battery • 7th Battery • 8th Battery
9th Battery • 10th Battery • 11th Battery • 14th Battery • 16th Battery