United States Regiments & Batteries > Pennsylvania > Infantry

The 91st Pennsylvania Volunteer Infantry Regiment lost 6 officers and 110 enlisted men killed and mortally wounded and 2 officers and 82 enlisted men to disease during the Civil War. It is honored by a monument on Little Round Top at Gettysburg.

December 4 Organized at Philadelphia and mustered in under Colonel Edgar M. Gregory
January 21 Left State for Washington, D.C. and attached to Defenses of Washington, D.C.
April 27 At Alexandria, Va.
August 21 Near Fairfax C. H., attached to 1st Brigade, 3rd Division, 5th Army Corps, Army Potomac
September 15 March to Antietam
September 18 Reached Antietam, Md.
September-October Duty at Sharpsburg, Md.
October 15-16 Skirmishes at Kearneysville and Shepherdstown
October 16-17 Reconnaissance to Leesburg, W. Va.
October 30-November 19 Movement to Falmouth, Va.
December 12-15
Battle of Fredericksburg
January 20-24 Burnside’s second Campaign, “Mud March”
February-April Duty at Falmouth, Va.
April 27-May 6
Chancellorsville Campaign

Attached to 3rd Brigade, 2nd Division, 5th Army Corps.

May 1-5
Battle of Chancellorsville

Colonel Gregory was wounded.

June 13-July 24 Gettysburg Campaign
July 1-3
Battle of Gettysburg

The regiment was commanded by Lieutenant Colonel Joseph H. Sinex. It brought 258 men to the field, losing 3 killed and 16 wounded.

From the monument on Little Round Top at Gettysburg:

July 2. Moving at the double-quick in the evening, the regiment took position here and having aided in repulsing the attack of the enemy upon this line, remained until the close of battle.

Present at Gettysburg 258 Officers and men. Killed and died of wounds 4 men. Wounded 2 officers 13 men.

July 5-24 Pursuit of Lee
August-October Duty on line of the Rappahannock. Colonel Gregory returned to command after recovering from his Chancellorsville wound, and took command of the brigade as senior colonel.
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 26 Regiment reenlisted
January 2 Veterans on furlough
February 16 Near Chester
March Attached to 4th Brigade, 1st Division, 5th Army Corps
April Attached 1st Brigade, 1st Division, 5th Army Corps
May 4-June 12 Rapidan Campaign
May 5-7 Battle of the Wilderness
May 8-21 Battle of Spotsylvania Court House
May 8 Laurel Hill
May 12 Assault on the Salient
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Battle of Cold Harbor

Attached to 1st Brigade, 2nd Division, 5th Army Corps.

June 1-3 Bethesda Church
June 16-18
First Assault on Petersburg

Siege of Petersburg begins. Attached to 2nd Brigade, 2nd Division, 5th Army Corps

July Attached to 2nd Brigade, 1st Division, 5th Army Corps
July 30 Mine Explosion, Petersburg (Reserve)
August 18-21 Six Mile House, Weldon Railroad
September 29-October 2 Poplar Grove Church, Peeble’s Farm
October 27-28 Boydton Plank Road, Hatcher’s Run
December Attached to 3rd Brigade, 1st Division, 5th Army Corps
December 7-12 Warren’s Raid to Weldon Railroad
February 5-7 Dabney’s Mills, Hatcher’s Run
March Attached to 1st Brigade, 3rd Division, 5th Army Corps
March 28-April 9 Appomattox Campaign
March 29 Lewis Farm, Gravelly Run and Junction of Quaker and Boydton Roads
March 30-31 White Oak Road
April 1 Five Forks
April 9
Appomattox Court House

Surrender of Lee and his army.

May 1-12 Moved to Washington, D. C.
May 23 Grand Review
July 10 Mustered out