The 147th Pennsylvania Infantry lost 7 officers and 71 enlisted men killed or mortally wounded and 3 officers and 61 enlisted men to disease during the Civil War. It is honored by a monument at Gettysburg.

1862
October 10 Companies A-E organized under the command of Lieutenant Colonel Ario Pardee, Jr. at Loudoun Heights, Va. from Companies L, M, N, O and P of the 28th Pennsylvania Infantry Regiment. Company I was organized at Philadelphia.
September 29 to November 20 Companies F-H organized at Harrisburg, Pa.
October – December Duty at Bolivar Heights, Va. attached to 1st Brigade, 2nd Division, 12th Army Corps, Army of the Potomac
November 9 Reconnaissance to Rippon, W. Va.
December 2-6 Reconnaissance to Winchester, Va.
December 10-14 Moved to Fredericksburg
December At Stafford Court House
1863
January 20-24 Burnside’s 2nd Campaign, “Mud March”
April 27 Chancellorsville Campaign
May 1-5 Battle of Chancellorsville
June 11 Gettysburg Campaign
July 1-3
Battle of Gettysburg

The regiment was commanded by Lieutenant Colonel Ario Pardee.

From the monument:

On the night of July 1st this regiment lay on the northern slope of Little Round Top holding the extreme left of the Union army. At 6 p.m. July 2nd moved to Culp’s Hill where it was held in reserve until evening; then marched toward the left with the Brigade returning at about 3 a.m. July 3rd and occupied this position.

Present at Gettysburg 12 officers and 286 men. Killed and mortally wounded 1 officer and 5 men. Wounded 14 men.

From the tablet on a boulder in Pardee Field:

At 5 a.m. the one hundred and forty-seventh Penna. Volunteers (Lt. Col. Ario Pardee Jr.) was ordered to charge and carry the stone wall occupied by the enemy. This they did in handsome style, their firing causing heavy loss to the enemy who then abandoned the entire line of the stone wall. – Report of Brig. General John W. Geary, commanding 2d Division 12th Corps

July 5 – 24 Pursuit of Lee
September 24-October 3 Movement to Bridgeport, Ala. and attached to Army of the Cumberland
October 26-29 Reopening Tennessee River
October 28-29 Wauhatchie, Tenn.
November 23-27 Chattanooga Ringgold Campaign
November 23-24 Battle of Lookout Mountain
November 25 Mission Ridge
November 27 Ringgold Gap, Taylor’s Ridge
December Guard duty on Nashville & Chattanooga Railroad
1864
February Company “K” organized at Philadelphia
April 12-16 Expedition down the Tennessee River to Triana, Ala. attached to 1st Brigade, 2nd Division, 20th Army Corps, Army of the Cumberland
May 1-September 8 Atlanta (Ga.) Campaign
May 8-11 Demonstration on Rocky Faced Ridge
May 8 Dug Gap or Mill Creek
May 14-15 Battle of Resaca
May 19 Near Cassville
May 25 New Hope Church
May 26-June 5 Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills
June 10-July 2 Operations about Marietta and against Kenesaw Mountain
June 11-14 Pine Hill
June 15-17 Lost Mountain
June 15 Gilgal or Golgotha Church
June 17 Muddy Creek
June 19 Noyes Creek
June 22 Kolb’s Farm
June 27 Assault on Kenesaw
July 4 Ruff’s Station, Smyrna Camp Ground
July 6-17 Chattahoochie River
July 19-20 Peach Tree Creek
July 22-August 25 Siege of Atlanta
August 26-September 2 Operations at Chattahoochie River Bridge
September 2-November 15 Occupation of Atlanta
November 9 Near Atlanta
November 15-December 10 March to the sea
December 10-21 Siege of Savannah
1865
January Campaign of the Carolinas
February 12-13 North Edisto River, S.C.
February 15 Red Bank and Congaree Creek
March 16 Averysboro, N. C.
March 19-21 Battle of Bentonville
March 24 Occupation of Goldsboro
April 9-13 Advance on Raleigh, N. C.
April 14 Occupation of Raleigh
April 26 Bennett’s House, surrender of Johnston and his army.
April 29-May 20 March to Washington, D.C., via Richmond, Va.
May 24 Grand Review
June – July Duty in the Dept. of Washington
June 6 Companies F and G mustered out
July 15 Regiment mustered out