Massachusetts in the Civil War

Regiments

 * 1st Battalion, Massachusetts Heavy Artillery|1st Battalion, Massachusetts Heavy Artillery Organized April, 1865, from 1st, 2nd and 4th Unattached Companies Heavy Artillery.


 * 1st Unattached Company, Massachusetts Infantry (Militia)


 * Mustered in for 90 days' service April 29, 1864. Duty at Fort Independence, Boston Harbor.
 * Mustered out August 1, 1864.


 * 1st Company, Massachusetts Sharpshooters Organized at Lynnfield and mustered in September 2, 1861. Left State for Washington, D. C., September 2. Attached to 15th Massachusetts Infantry to July, 1864, and to 19th Massachusetts Infantry to September, 1864. Mustered out September 6, 1864.
 * 1st Regiment, Massachusetts Heavy Artillery Organized as 14th Massachusetts Infantry July 5, 1861. Designation changed to 1st Heavy Artillery January 1, 1862. Attached to Wadsworth's Command, Military District of Washington, January to May, 1862. Whipple's Brigade, Military District of Washington, to December, 1862. Artillery, District of Alexandria, Defences of Washington, to February, 1863. Artillery, District of Alexandria, 22nd Army Corps, to April, 1863. 1st Brigade, DeRussy's Division, 22nd Army Corps, to April, 1864. 2nd Brigade, DeRussy's Division, 22nd Army Corps, to May, 1864. 2nd Brigade, Tyler's Heavy Artillery Division, Army of the Potomac, to May, 1864. 2nd Brigade, 3rd Division, 2nd Army Corps, Army of the Potomac, to May, 1865. Defences of Washington, 22nd Army Corps, to August, 1865. (Cos. "B," "C," "H" and "I" attached to Defences of Upper Potomac, 8th Army Corps, Middle Department, October, 1862, to March, 1863. 2nd Brigade, 1st Division, 8th Army Corps, Middle Department, to June, 1863. Maryland Brigade, French's Command, 8th Army Corps, to July, 1863. Artillery Reserve, Army of the Potomac, to August, 1863. Unattached, Maryland Heights Division, Dept. of West Virginia, to December, 1863.)


 * discharged at Gallop's Island, Boston Harbor, August 25,1865 Mustered out June 29, 1865, and discharged at Readville, Mass., July 24, 1865.


 * 1st Regiment, Massachusetts Organized at Camp Brigham, Reedville, and duty there till December 25, 1861. Companies "A," "B," "C" and "D" left State for Annapolis, Md., December 25, 1861; thence moved to Hilton Head, S. C., February, 1862, and join Regiment. Second Battalion left State for New York December 27, and Third Battalion December 29 for same point; thence sailed for Hilton Head, S. C., January 13, arriving January 20, 1862. Attached to Department of the South to April, 1862. 3rd Brigade, 1st Division, Dept. of the South, to August, 1862. Companies "A" to "H" moved to Fort Monroe August 19, 1862; thence to Washington, D. C., and join Pleasanton's Cavalry, Army of the Potomac, at Tenallytown, September 3. Attached to Pleasanton's Cavalry, Army of the Potomac, to October, 1862. Averill's Brigade, Cavalry Division, Army of the Potomac, to January, 1863. 1st Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to April, 1865. (4 new Companies, "I," "K," "L," "M," organized December 5, 1863, to January 14, 1864.) Provost Marshal's Command, Army of the Potomac, to May, 1865. Headquarters, Army of the Potomac, to June, 1865.


 * Mustered out June 29, 1865, and discharged at Readville, Mass., July 24, 1865


 * 1st Regiment, Massachusetts Infantry

Organized at Boston and mustered in Companies "A," "B," "G" and "H" May 23; Companies "D," "F," "K" and "I" May 24; Company "E" May 25, and Company "C" May 27, 1861. Left State for Washington, D. C., June 15, arriving June 17. Attached to Richardson's Brigade, Tyler's Division, McDowell's Army of Northeast Virginia, to August, 1861. Hooker's Brigade, Division of the Potomac, to October, 1861. 1st Brigade, Hooker's Division, Army of the Potomac, to March, 1862. 1st Brigade, 2nd Division, 3rd Army Corps, Army of the Potomac, to March, 1864. 1st Brigade, 4th Division, 2nd Army Corps, to May, 1864.


 * Mustered out May 25, 1864. Expiration of term


 * 1st Independent Battery, Massachusetts Light Artillery .Organized at Camp Cameron August 27, 1861. Left State for Washington, D. C., October 3. Attached to Franklin's Division, Army of the Potomac, to March, 1862. Artillery, 1st Division, 1st Army Corps, Army of the Potomac, to April, 1862. Artillery, 1st Division, Dept. of the Rappahannock, to April, 1862. Artillery, 1st Division, 6th Army Corps, Army of the Potomac, to June, 1863. Artillery Brigade, 6th Army Corps, Army of the Potomac and Army of the Shenandoah, to October, 1864.


 * Mustered out October 19, 1864, expiration of term.


 * 2nd Unattached Company, Massachusetts Infantry

Organized November 3, 1862, for garrison duty in the forts of Boston Harbor, on duty at Fort Warren till April, 1863, when assigned to 1st Battalion Heavy Artillery as Company "B".


 * 2nd Unattached Company, Massachusetts Infantry (Militia) (90 days, 1864) Organized November 3, 1862, for garrison duty in the forts of Boston Harbor, duty at Fort Warren till April, 1863, when assigned to 1st Battalion Heavy Artillery as Company "B".


 * 2nd Unattached Company, Massachusetts Infantry (Militia) (100 days, 1864) "Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 2nd Unattached Company, Massachusetts Infantry (Militia) Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit
 * 2nd Company, Massachusetts Sharpshooters Organized at Lynnfield September 3, 1861. Left State for Washington, D. C. Attached to 22nd Massachusetts Infantry.


 * Mustered out October 17, 1864


 * 2nd Regiment, Massachusetts Heavy Artillery Organized at Readville and mustered in:

Company "A" July 28, 1863;
 * Company "B" July 29, 1863;
 * Company "C" August 4, 1863; Company "D" August 22, 1863, and left State for New Berne, N. C., September 5, 1863.
 * Company "E" October 5, 1863,
 * Company "F" October 8, 1863. Left State for New Berne, N. C., November 7, 1863.
 * Company "G" December 7, 1863.
 * Company "H" December 7, 1863.
 * Company "I" December 11, 1863.
 * Companies "K" and "L" December 22, 1883, :

Company "M," December 24, 1863.
 * Moved to Boston September 2-16. Mustered out September 23, 1865


 * 2nd Regiment, Massachusetts Cavalry .Organized at Readville and mustered in Company "A" July 28, 1863; Company "B" July 29, 1863; Company "C" August 4, 1863; Company "D" August 22, 1863, and left State for New Berne, N. C., September 5, 1863. Company "E" October 5, 1863, and Company "F" October 8, 1863. Left State for New Berne, N. C., November 7, 1863. Company "G" December 7, 1863. Company "H" December 7, 1863. Company "I" December 11, 1863. Companies "K" and "L" December 22, 1883, and Company "M," December 24, 1863.


 * Fairfax Court House till July 20. Mustered out July 20, 1865


 * 2nd Regiment, Massachusetts Infantry Organized at Camp Andrew, West Roxbury, and mustered in May 25, 1861. Left State for Hagerstown, Md., July 8; thence moved to Williamsport and Martinsburg, Va., July 11-12. Attached to Abercrombie's Brigade, Patterson's Army, July, 1861. Abercrombie's Brigade, Banks' Division, Dept. of the Shenandoah, to August, 1861. Gordon's Brigade, Banks' Division, Army of the Potomac, to March, 1862. Gordon's 3rd Brigade, Williams' 1st Division, Banks' 5th Army Corps, to April, 1862. 3rd Brigade, 1st Division, Dept. of the Shenandoah, to June, 1862. 3rd Brigade, 1st Division, 2nd Army Corps, Army of Virginia, to September, 1862. 3rd Brigade, 1st Division, 12th Army Corps, Army of the Potomac, to October, 1863. 3rd Brigade, 1st Division, 12th Army Corps, Army of the Cumberland, to April, 1864. 2nd Brigade, 1st Division, 20th Army Corps, Army of the Cumberland, to July, 1865.


 * Mustered out July 11, and discharged at Boston, Mass., July 26, 1865.


 * 2nd Independent Battery, Massachusetts Light Artillery Organized at Quincy and mustered in July 31, 1861. Moved to Baltimore, Md., August 8-11. Attached to Dix's Command to February, 1862. New Orleans (La.) Expedition to March, 1862. 2nd Brigade, Dept. of the Gulf, to December, 1862. Artillery, Grover's Division, Dept. of the Gulf, to January, 1863. Artillery, 4th Division, 19th Army Corps, Dept. of the Gulf, to August, 1863. Artillery Reserve, Dept. of the Gulf, to September, 1863. Artillery, Cavalry Division, Dept. Gulf, to August, 1864. Unattached Artillery, Dept. Gulf, to October, 1864. Separate Cavalry Brigade, 19th Army Corps, to December. 1864. Artillery Brigade, Reserve Corps, Dept. Gulf, to February, 1865. Lucas' Cavalry Division, Steele's Command, District of West Florida, to April, 1865. 3rd Brigade, Cavalry Division, Dept. Gulf, to June, 1865. Dept. of Mississippi to August, 1865. Moved to Boston, Mass., July 22-August 4. Mustered out August 11, 1865 3rd Battalion, Massachusetts Riflemen (Militia) Organized at Worcester. Moved to New York April 20, 1861; Fort McHenry. Mustered out August 3, 1861.
 * 3rd Unattached Company, Massachusetts Infantry (Militia) Mustered in for 90 days' service May 3, 1864: Fort Pickering, Salem, Mass. Mustered out August 5, 1864


 * 3rd Regiment, Massachusetts Heavy Artillery Organized for one year August, 1864, by consolidation of 3rd, 6th, 7th, 8th, 9th, 10th, 11th, 12th, 13th, 14th, 15th and 16th Unattached Companies Heavy Artillery. Attached to 2nd Brigade, Hardin's Division, 22nd Army Corps, Dept. of Washington, and engaged in garrison duty in the Defences of Washington, north of the Potomac, to September, 1865.


 * Mustered out September 18, 1865.


 * 3rd Regiment, Massachusetts Cavalry Organized as 41st Massachusetts Infantry. Designation changed to 3rd Cavalry June 17, 1863. Company "A," 33rd Massachusetts Infantry, assigned as Company "I." 2nd Battalion, Massachusetts Cavalry, assigned as Companies "L" and "M." Attached to 2nd Brigade, 4th Division, 19th Army Corps, Army of the Gulf, to June, 1863. Cavalry Brigade, Dept. of the Gulf, to July, 1863. Defences of New Orleans to August, 1863. Cavalry Brigade, District of Port Hudson, La., Dept. of the Gulf, to October, 1863. Unattached, Cavalry Division, Dept. of the Gulf, to January, 1864. 4th Brigade, Cavalry Division, Dept. of the Gulf, to June, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf and Army of Shenandoah, Middle Military Division, to February, 1865. Reserve Cavalry Brigade, Army of Shenandoah, to April, 1865. Defences of Washington, D. C., 22nd Army Corps, to June, 1865. Dept. of Missouri to September, 1865.


 * Moved to Boston, Mass., September 29-October 5, and discharged October 8, 1865.


 * 3rd Regiment, Massachusetts Infantry Organized as 41st Massachusetts Infantry. Designation changed to 3rd Cavalry June 17, 1863. Company "A," 33rd Massachusetts Infantry, assigned as Company "I." 2nd Battalion, Massachusetts Cavalry, assigned as Companies "L" and "M." Attached to 2nd Brigade, 4th Division, 19th Army Corps, Army of the Gulf, to June, 1863. Cavalry Brigade, Dept. of the Gulf, to July, 1863. Defences of New Orleans to August, 1863. Cavalry Brigade, District of Port Hudson, La., Dept. of the Gulf, to October, 1863. Unattached, Cavalry Division, Dept. of the Gulf, to January, 1864. 4th Brigade, Cavalry Division, Dept. of the Gulf, to June, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf and Army of Shenandoah, Middle Military Division, to February, 1865. Reserve Cavalry Brigade, Army of Shenandoah, to April, 1865. Defences of Washington, D. C., 22nd Army Corps, to June, 1865. Dept. of Missouri to September, 1865.


 * Moved to Boston June 11-16. Mustered out June 26, 1863.


 * 3rd Regiment, Massachusetts Infantry (Militia) Left Boston on Steamer "S. R. Spaulding" for Fortress Monroe, Va., April 17, 1861. Arrived April 20, and ordered on board United States Sloop of War "Pawnee" April 20. Moved to Norfolk April 20, and destruction of navy yard April 20. Expedition to Hampton May 13. Fatigue and garrison duty at Fortress Monroe till July 1, and at Hampton till July 16.


 * Ordered home July 16, and mustered out July 22, 1861. Expiration of term.


 * 3rd Independent Battery, Massachusetts Light Artillery Organized at Boston September 5, 1861. Moved to Washington, D. C., September 5-11. Attached to Porter's Division, Army of the Potomac, to March, 1862. Artillery, 1st Division, 3rd Army Corps, Army Potomac, to May, 1862. Artillery, 1st Division, 5th Army Corps, Army Potomac, to June, 1863. Artillery Brigade, 5th Army Corps, to September, 1864.


 * Moved to Boston September 5-9. Mustered out September 16, 1864


 * 4th Battaliion, Massachusetts Infantry (Militia) Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.
 * 4th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville, Mass., and mustered in for 90 days' service May 3, 1864. On duty at Fort Clark's Point, New Bedford. Mustered out August 6, 1864.


 * 4th Regiment, Massachusetts Heavy Artillery Organized November l2, 1864, by consolidation of the 17th, 18th, 19th, 20th, 21st, 22nd, 23rd, 24th, 25th, 26th, 27th and 28th Unattached Companies Heavy Artillery. Organized August, 1864, for one year's service.


 * Potomac, till June, 1865. Mustered out June 17, 1865.

Regiment mustered out November 14, 1865. Discharged at Boston November 26, 1865.
 * 4th Regiment, Massachusetts Cavalry Organized at Readville December 26, 1863, to February 8, 1864. 1st Battalion formerly Independent Battalion, Massachusetts Cavalry, was assigned as Companies "I," "K," "L" and "M" February 12, 1864. Attached to Light Brigade, District of Florida, 10th Corps, Dept. of the South, to April, 1864. Unattached, Dept. of Virginia and North Carolina, 10th, 18th and 24th Army Corps, and 25th Army Corps, Dept. of Virginia and North Carolina, to August, 1865. Dept. of Virginia to November, 1865. :
 * 4th Regiment, Massachusetts Infantry Organized at Camp Joe Hooker, Lakeville, and mustered in September 23, 1862. Moved to New York December 27-28, thence to New Orleans and Carrollton, La., January 3-February 13, 1863. Attached to 1st Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to August, 1863.


 * Boston, Mass., August 4-17. Mustered out August 28, 1863.


 * 4th Regiment, Massachusetts Infantry (Militia) Organized at Boston May 27, 1862.
 * Mustered out May 31, 1862.


 * 4th Regiment, Massachusetts Infantry (3 months, 1861) (Militia) Left Boston for Fortress Monroe, Va., on Steamer "State of Maine" April 17, 1861, arriving there April 20. Fatigue and garrison duty at Fortress Monroe till May 27. At Newport News till July 11.
 * Moved to Boston July 15-17, and mustered out July 22, 1861.


 * 4th Independent Battery, Massachusetts Light Artillery Organized at Lowell November 17, 1861. Moved to Boston November 20, thence sailed on Steamer "Constitution" for Ship Island, Miss., arriving December 3. Attached to Ship Island Expedition to March, 1862. 1st Brigade, Dept. of the Gulf, to October, 1862. Independent Command, Dept. of the Gulf, to January, 1863. Artillery, 3rd Division, 19th Army Corps, Dept. of the Gulf, to November, 1863. Artillery, 1st Division, 19th Army Corps, Dept. Gulf, to March, 1864. Defences of New Orleans, La., Dept. of the Gulf, to September, 1864. Unattached Artillery, Gulf, to December, 1864. Unattached Artillery, Reserve Corps, Dept. Gulf, to February, 1865. Artillery, 1st Division, Reserve Corps, Dept. Gulf, February, 1865. Artillery, 1st Division, 13th Army Corps, Dept. Gulf, to July, 1865. Dept. of Texas to November, 1865.
 * Boston, Mass., October 5-November 3. Mustered out November 10. 1865.