The 3rd Massachusetts Battery (Battery C, Massachusetts Light Artillery) lost 1 officer and 18 enlisted men killed or mortally wounded and 11 enlisted men to disease. It is honored by a monument at Gettysburg.

1861
December 10 Organized at Lynnfield and Reedville and mustered in
December 25-27 Moved to Washington, D.C. Attached to Porter’s Division, Army of the Potomac at Capital Hill, Defenses of Washington, D.C
1862
February 15 At Hall’s Hill
March 18-24 Moved to Alexandria and Fortress Monroe, Va. and attached to Artillery, 1st Division, 3rd Army Corps, Army of the Potomac
April 5 Warwick Road
April 3-May 4 Siege of Yorktown
May Assigned to Artillery, 1st Division, 5th Army Corps, Army Potomac
May 27 Hanover Court House
May 27-29 Operations about Hanover Court House
June Assigned to the 1st Volunteer Brigade, Artillery Reserve, Army Potomac
June 25-July 1 Seven days before Richmond
June 26 Battle of Mechanicsville
June 27 Gaines’ Mill
June 30 White Oak Swamp and Turkey Bridge
July 1 Malvern Hill
July 2 – August 16 At Harrison’s Landing
August 15-28 Movement to Fortress Monroe, then to Manassas
August 30
Second Battle of Bull Run
September Duty in the Defenses of Washington
October 8 At Sharpsburg, Md.
October 16-17 Reconnaissance to Smithfield
October 16-17 Kearneysville and Shephardstown
October 30-
November 19
Movement to Warrenton and Falmouth, Va.
December 11-15
Battle of Fredericksburg
1863
January 20-24 “Mud March”
April 27-May 6 Chancellorsville Campaign
May 1-5
Battle of Chancellorsville
May Assigned to the Artillery Brigade, 5th Army Corps
July 2-4
Battle of Gettysburg

The battery was commanded by Lieutenant Aaron Francis Walcott. It brought 124 men to the field serving six 12-pounder Napoleons and lost six men wounded in fighting along Wheatfield Road near the J. Weickert farmhouse.

July 31-August 1 Kelly’s Ford
August 1-3 Brandy Station
August October 8 At Beverly Ford and Culpeper C. H.
October 9-22 Bristoe Campaign
November 7-8 Advance to the Rappahannock
November 7 Rappahannock Station
November 26 –
December 2
Mine Run Campaign
December 6 At Rappahannock Station
1864
May 3-June 12 Rapidan Campaign
May 5-7
Battle of the Wilderness
May 8 Laurel Hill
May 8-21
Battle of Spotsylvania Court House
May 12 Assault on the Salient
May 23-26 North Anna River
May 23 Jericho Mills
May 26-28 Line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Battle of Cold Harbor
June 1-3 Bethesda Church
June 16-19 Before Petersburg
June 16 Siege of Petersburg begins
August 18-21 Six Mile House, Weldon Railroad
October 3 Non-Veterans mustered out
October 27-28 Boydton Plank Road, Hatcher’s Run
December 7-12 Warren’s Raid on Weldon Railroad
1865
February 5-7 Dabney’s Mills
March 28-April 9 Appomattox Campaign
April 2 Assaults on and fall of Petersburg
April 4 Moved to City Point and duty there
May 3-13 March to Washington, D.C.
May 23 Grand Review
June 4-6 Moved to Readville, Mass.
June 12 Mustered out