Massachusetts Civil War Union Units 9th through 22nd

The information in this list of Massachusetts Military Units comes from the Civil War Soldiers and Sailors web site (CWSS). This web site can also be searched by the name of a soldier.

Regiments 9th through 11th

 * 9th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 90 days' service May 10, 1864. Mustered out August 11, 1864.


 * 9th Regiment, Massachusetts Infantry Organized at Boston June 11, 1861. Mustered out June 21.


 * 9th Independent Battery, Massachusetts Light Artillery Organized at Camp Meigs, Readville, and mustered in August 10, 1862. Mustered out at Gallop's Island, Boston Harbor,June 6, 1865.


 * 10th Regiment, Massachusetts Infantry Organized at Springfield June 21, 1861. Ordered home for muster out June 19. Mustered out July 6, 1864.


 * 10th Regiment, Massachusetts Heavy Artillery Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 10th Independent Battery, Massachusetts Light Artillery Organized at Lynnfield and mustered in September 9, 1862. Mustered out June 9 and discharged from service June 14, 1865.


 * 10th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 90 days' service May 10, 1864. Mustered out August 8, 1864.


 * 11th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 90 days' service May 16, 1864. Mustered out August 15, 1864.


 * 11th Regiment, Massachusetts Infantry Organized at Readville, mustered in June 13, 1861. Mustered out June 14, 1865.


 * 11th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in for three years January 2, 1864. Mustered out June 16, 1865.


 * 11th Independent Battery, Massachusetts Light Artillery (9 months, 1862-63) Organized at Boston and mustered in at Readville for nine months' service August 25, 1862. Moved to Boston May 25-28, and there mustered out May 29, 1863.

Regiments 12th through 15th

 * 12th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in for 90 days' service. Duty at Long's Point, Provincetown.Mustered out August 15, 1864.


 * 12th Unattached Company, Massachusetts Infantry (Militia) Organized at Fort Warren and mustered in June 26, 1861. Ordered home for muster out June 25. Mustered out July 8, 1864.


 * 12th Regiment, Massachusetts Infantry Organized at Readville October 3 to December 29, 1862. Mustered out July 25. 1865.


 * 13th Regiment, Massachusetts Infantry Organized at Readville and mustered in for 90 days' service May 16, 1864.Duty at Fort Clark's Point, New Bedford, Mass.  Mustered out August 15, 1864.


 * 13th Unattached Company, Massachusetts Infantry (Militia) Organized at Fort Independence June 16, 1861. Mustered out August 1, 1864.


 * 13th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in December 13, 1862. Mustered out July 28,1865.


 * 14th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in February 27, 1864. Mustered out June 16, 1865.


 * 15th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in for 90 days' service July 29, 1864. Stationed at Fort Warren, Boston Harbor. Mustered out November 15, 1864.


 * 15th Unattached Company, Massachusetts Infantry (Militia) Organized at Worcester and mustered in June 12, 1861. Mustered out July 28, 1864. Veterans and Recruits transferred to 20th Massachusetts.


 * 15th Regiment, Massachusetts Infantry Organized at Lowell and Fort Warren and mustered in February 17, 1863. Mustered out August 4, 1865.

Regiments 16th through 17th

 * 16th Unattached Company, Massachusetts Infantry Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 16th Independent Battery, Massachusetts Light Artillery Organized at Readville and mustered in for 90 days' service August 6, 1864. Mustered out November 14, 1864.


 * 16th Unattached Company, Massachusetts Infantry (Militia) Organized at Camp Cameron, Cambridge, June 29, 1861. Mustered out July 27, 1864.


 * 16th Regiment, Massachusetts Infantry Organized at Camp Meigs, Readville, and mustered in April 4, 1864. Ordered to Massachusetts and mustered out July 13, 1865.


 * 17th Regiment, Massachusetts Infantry Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 17th Unattached Company, Massachusetts Infantry Organized at Readville and mustered in for 90 days' service August 5, 1864. Mustered out November 12, 1864. Again mustered in for one year at Salem. Mustered out June 30, 1865.


 * 17th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 90 days' service August 5, 1864. Mustered out November 12, 1864. Again mustered in for one year at Salem. Mustered out June 30, 1865.


 * 17th Unattached Company, Massachusetts Infantry (Militia) (1 year, 1864-65) Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 17th Unattached Company, Massachusetts Infantry (Militia) (100 days, 1864) Organized at Lynnfield July 22, 1861. Mustered out at Greensboro, N. C., July 11, 1865.

Regiments 18th through 20th

 * 18th Unattached Company, Massachusetts Infantry Organized at Readville and mustered in for 100 days August 6, 1864. Duty at Camp Meigs, Readville. Mustered out November 14, 1864. Re-enlisted and mustered in for one year December 6,1864. Mustered out May 12, 1865.


 * 18th Unattached Company, Massachusetts Infantry (Militia) (100 days, 1864) Organized at Readville and mustered in for 100 days August 6, 1864. Duty at Camp Meigs, Readville. Mustered out November 14, 1864. Re-enlisted and mustered in for one year December 6, 1864 Duty at Camp Meigs, Readville. Mustered out May 12, 1865.


 * 18th Regiment, Massachusetts Infantry Organized at Readville and Boston and mustered in August 27, 1861. Consolidated with 32nd Massachusetts Infantry October 21, 1864.


 * 19th Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 100 days August 9, 1864. Mustered out November 16, 1864. Reorganized and mustered in for one year November 25, 1864. Mustered out June 27,1865.


 * 19th Regiment, Massachusetts Infantry Organized at Readville and mustered in for 100 days August 9, 1864. Mustered out June 27, 1865.


 * 19th Unattached Company, Massachusetts Infantry (1 year, 1864-65) Organized at Lynnfield August 28, 1861. Mustered out June 30 and discharged July 22, 1865.


 * 20th Unattached Company, Massachusetts Heavy Artillery Compendium of the War of the Rebellion" by Frederick H. Dyer contains no history for this unit.


 * 20th Regiment, Massachusetts Infantry Organized at Readville and mustered in for 100 days August 11, 1864. Mustered out November 18, 1864. Again mustered in for one year November 17, 1864. Mustered out June 29, 1865.


 * 20th Unattached Company, Massachusetts Infantry (1 year,1864-65) Organized at Readville and mustered in for 100 days August 11, 1864. Mustered out November 18, 1864. Again mustered in for one year November 17, 1864. Mustered out June 29, 1865


 * 20th Unattached Company, Massachusetts Infantry (100 days, 1864)(Militia) Organized at Readville August 29 to September 4, 1861. Left State for Washington, D. C., September 4.Grand Review May 23. Duty at Washington until July 15. Mustered out July 16 and discharged July 28, 1865.

Regiments 21st and 22nd

 * 21st Unattached Company, Massachusetts Infantry Organized at Readville and mustered in for 100 days August 11, 1864. Mustered out November 18, 1864. Reorganized at Fall River, Mass., for one year, and mustered in November 23, 1864. Stationed at Provincetown. Mustered out June 28, 1865.


 * 21st Unattached Company, Massachusetts Infantry (100 days,1864)(Militia) Organized at Readville and mustered in for 100 days August 11, 1864. Stationed at Long's Point, Provincetown. Mustered out November 18, 1864. Reorganized at Fall River, Mass., for one year. Mustered in November 23, 1864. Stationed at Provincetown. Mustered out June 28, 1865.


 * 21st Regiment, Massachusetts Infantry. Organized at Worcester July 19 to August 19, 1861 thur October, 1864. Non-Veterans left front August 18 and mustered out August 30, 1864. Veterans and Recruits transferred to 36th Massachusetts Infantry October 21, 1864.


 * 22nd Unattached Company, Massachusetts Infantry (Militia) Organized at Readville and mustered in for 100 days' service August 18, 1864. Duty at Camp Meigs, Readville. Mustered out November 2, 1864.


 * 22nd Regiment, Massachusetts Infantry Orginized at Lynnfield September 4 to October 6, 1861. Moved to Washington, D. C., October 8-11. Attached to Martindale's Brigade, Porter's Division, Army of the Potomac, to March, 1862. 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac, to May, 1862. 1st Brigade, 1st Division, 5th Army Corps, to March, 1864. 2nd Brigade, 1st Division, 5th Army Corps, to October, 1864. Relieved August 8 and guard duty at City Point till October 5. Mustered out October 17, 1864.