9th Massachusetts Light Artillery Battery

== Regimental History and Service Record ==
Organized at Camp Meigs, Readville, and mustered in August 10, 1862. Left State for Washington, D.C., September 3. Attached to Abercrombie's Division, Military District of Washington, D.C., to February, 1863. 2nd Brigade, Abercrombie's Division. 22nd Army Corps, Dept. of Washington, to May, 1863. Barry's Command, 22nd Army Corps, to July, 1863. 1st Volunteer Brigade, Artillery Reserve, Army of the Potomac, to December, 1863. 2nd Volunteer Brigade, Artillery Reserve, to April, 1864. 3rd Volunteer Brigade, Artillery Reserve, to May, 1864. Artillery Brigade, 5th Army Corps, Army of the Potomac, to June, 1865.
SERVICE.--Duty in the Defenses of Washington, D.C., September, 1862, to June, 1863. At Camp Seymour, Capital Hill, September 7-22, 1862; at Camp Chase until October 27; at Camp Barry until November 19; at Forts Ramsey and Buffalo, Upton's Hill, Va., until April 17, 1863. Moved to Centreville, Va., April 17; thence to Fairfax C. H. and Edward's Ferry June 25. To Frederick City, Md., June 27; to Middleburg June 29; to Tanneytown June 30, and to Gettysburg, Pa., July 1. 
* June 11-August 1, 1863 - The Gettysburg CampaignNot originally referenced on unit homepage
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Supported 3rd Corps in battle of July 2, and was the last of five Batteries to withdraw, firing by prolong when the Corps was obliged to fall back. After retiring 400 yards it was ordered to make a stand close to the Trostle house and hold that point at all hazards, until a line of Artillery could be formed. It was immediately charged by Col. Humphrey's 21st Mississippi Regiment, which entered the Battery and were fought hand to hand by the Cannoneers until they had suffered a loss of 28 men killed and wounded and 65 horses, when it was ordered to fall back, having sacrificed itself for the safety of the line. At Warrenton August 1-September 16, and at Culpeper C. H. until October 11. Bristoe Campaign October 11-22, Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. At Brandy Station December 13, 1863, to May 4, 1864.
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, VirginiaNot originally referenced on Dyer summary, but referenced on unit homepage
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
*** May 8, 1864 - Combat at Laurel Hill, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
*** June 1-3, 1864 - Battle of Bethesda Church, Virginia
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Built and occupied Fort Davis June 24 to August 14, 1864. Weldon Railroad August 18-21. Garrison Fort Duschene and Fort Howard until October 27. Boydton Plank Road, Hatcher's Run, October 27-28. Warren's Raid on Weldon Railroad December 7-12. Garrison Fort Rice until February 5, 1865. Dabney's Mills, Hatcher's Run, February 5-7. Fort Stedman March 25. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Duty at City Point until May 3. Moved to Washington, D.C., May 3-13. Grand Review May 23. Mustered out at Gallop's Island, Boston Harbor, June 6, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 2 Officers and 13 enlisted men killed and mortally wounded 
* 4 enlisted men by disease
* Total 19	None
Fox 	
* 2 Officers and 13 enlisted men killed and mortally wounded
* Total 15 (Combat Losses)
* Fox lists this unit as 12th on the list of units "sustaining greatest loss in action" (Volunteer Light Artillery Companies)	None
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 827, 932, 933, 934, 937, 938, 939, 941, 1245-1246)
* (Page 7)
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