The 3rd New Jersey Volunteer Infantry Regiment lost 9 officers and 148 enlisted men killed or mortally wounded and 1 officer and 80 enlisted men to disease. It is honored on the New Jersey Brigade Monument at Gettysburg, a monument at Crampton’s Gap on South Mountain and a monument at Antietam.

1861
June 4, Organized at Camp Olden, Trenton, N.J., and mustered in for three years service under Colonel George W. Taylor
June 28 Left State for Washington, D. C.; Attached to 2nd Brigade, Runyon’s Reserve Division, McDowell’s Army of Northeast Virginia
July 16-21 Advance on Manassas, Va.
July 21
Battle of Bull Run

The Regiment was in reserve and suffered no casualties.

August Duty in the Defenses of Washington, D.C. attached to Kearney’s Brigade, Division of the Potomac
October Attached to Kearney’s Brigade, Franklin’s Division, Army of the Potomac
August 31 Munson’s Hill or Little River Turnpike (Companies I and K)
October 2 Springfield Station (Detachment)
December 4 Burke’s Station (Detachment)
1862
March Attached to 1st Brigade, 1st Division, 1st Army Corps, Army of the Potomac
March 8-15 Advance on Manassas, Va.
April Attached to 1st Brigade, 1st Division, Dept. of the Rappahannock
April 7-11 Advance from Alexandria to Bristoe Station
April 17 Embarked for the Peninsula, Va.
April 19-May 5 Siege of Yorktown, Va. (on transports)
May 7-8 West Point. Attached to 1st Brigade, 1st Division, 6th Army Corps, Army of the Potomac
May 9 Colonel Taylor promoted to brigadier general
May 18 Lt. Colonel Henry W. Brown was promoted to colonel
June 25-July 1 Seven days before Richmond
June 27
Battles of Gaines Mill
June 30 Charles City Cross Roads and Glendale
July 1
Malvern Hill
July-August At Harrison’s Landing
August 16-26 Movement to Fortress Monroe, then to Manassas, Va.
August 26-September 2 Pope’s Campaign in Northern Virginia
August 27 Bull Run Bridge
August 30
Second Battle of Bull Run
August 30-31 Cover Pope’s retreat to Centreville
September 6-22 Maryland Campaign
September 14
Battle of Crampton’s Gap, South Mountain

From the monument at Crampton’s Gap: 

Late in the afternoon the Brigade advanced from the fields north and west of Burkittsville, charged up the mountain, carried this point, and followed the enemy to the west foot of the mountain. Loss in the Brigade 40 killed, 134 wounded

September 16-17
Battle of Antietam

The brigade was commanded by its senior colonel, Alfred T. A. Torbert of the 1st New Jersey. The 3rd was commanded by Colonel Henry W. Brown.

From the monument: 

The Brigade arrived upon the field from Crampton’s Pass about noon, and was formed for a charge upon the Confederate line just North of the Dunkard Church. The order for the charge was countermanded, and the brigade took position across this road, in support of the 6rh Corps Artillery, the right of the brigade in woods North of the road, the left in the open field South, where it remained, under artillery fire, until the morning of the 19th.

From the marker:

This stone marks the right of the brigade, when a little after noon it was formed to charge the woods North of the Dunkard Church. The order was countermanded and the brigade moved a short distance to the left to support the Corps Artillery, soon after which Hexamer’s Battery engaged and silenced the Confederate Artillery at Dunkard Church.

September-October Duty at Sharpsburg
October 29-
November 19
Movement to Falmouth, Va.
December 12-15
Battle of Fredericksburg
December At Falmouth
December 24 Colonel Brown took command of the brigade as senior colonel.
1863
January 20-24 “Mud March”
February 8 Colonel Brown returned from brigade command to command of the regiment.
April 10 Colonel Brown once more took command of the brigade as senior colonel.
April 27-May 6 Chancellorsville Campaign
April 29-May 2 Operations at Franklin’s Crossing
May 3
Battle of Maryes Heights (Second Fredericksburg)
May 3-4
Salem Heights

Colonel Brown, commanding the brigade, was wounded in the left hip.

May 4 Banks Ford
June 11-July 24 Gettysburg Campaign
July 2-4
Battle of Gettysburg

Commanded by Col. Henry W. Brown. It brought 325 men to the field, losing two wounded.

From the brigade monument:

First Brigade New Jersey Volunteers. Brig. Gen. Alfred T.A. Torbert, 1st, 2d, 3d, 4th, and 15th Regiments Infantry 1st Brigade, 1st Div., 6th Corps. July 2, in reserve, July 3 and 4 detached from the corps, held this position.

July 5-24 Pursuit of Lee
July 5 Fairfield, Pa.
July 10-13 At and near Funkstown, Md.
July Camp near Warrenton, Va.
September 15 At Culpeper Court House
October 9-22 Bristoe Campaign
November 7-8 Advance to line of the Rappahannock
November 7 Rappahannock Station
November 26-December 2 Mine Run Campaign
December At Brandy Station
1864
May 3-June 15 Campaign from the Rapidan to the James
May 5-7
Battle of the Wilderness
May 8-21
Spotsylvania Court House
May 12
Assault on the Salient, “Bloody Angle”

Colonel Brown was wounded in the left thigh.

May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
May 29 Non-Veterans relieved for muster out. Veterans and Recruits temporarily attached to 15th New Jersey Infantry
June 1-12
Battles about Cold Harbor
June 17-19 Before Petersburg; Siege of Petersburg begins
June 22-23
Jerusalem Plank Road

Colonel Brown mustered out.

June 23 Non-Veterans mustered out at Trenton, N.J.,
July 9-11 Moved to Washington, D, C.
July 11-12 Repulse of Early’s attack on Fort Stevens and Northern Defenses of Washington
July 14-23 Pursuit of Early to Snicker’s Gap, Va.
August 7-
November 28
Sheridan’s Shenandoah Valley Campaign
August 14-15 Strasburg
August 15 Cedar Creek
August 17 Winchester
August 21-22 Charlestown
September 19
Third Battle of Winchester
September 22
Fisher’s Hill
October 19
Battle of Cedar Creek
October-December Duty in the Shenandoah Valley
December 17 Moved to Petersburg and reorganized as a Veteran Battalion at Burke’s Station.
1865
February 5-7 Dabney’s Mills, Hatcher’s Run
March 28-April 9 Appomattox Campaign
April 2 Assault on and fall of Petersburg
April 3-9 Pursuit of Lee
April 9
Appomattox Court House

Surrender of Lee and his army.

April 23-27 March to Danville
May 18 March to Richmond
May 18-June 3 To Washington, D.C.
June 8 Corps Review
June 29 Mustered out at Hall’s Hill, Virginia.