The 141st Pennsylvania Volunteer Infantry Regiment lost 6 officers and 161 enlisted men killed or mortally wounded and 3 officers and 76 enlisted men to disease during the Civil War. It is honored by a monument at Gettysburg.

1862
August 29 Organized at Harrisburg under Colonel Henry J. Madill and moved to Washington attached to 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac
October 11-November 19 March up the Potomac to Leesburg, thence to Falmouth, Va.
December 12-15
Battle of Fredericksburg
1863
January 20-24 Burnside’s 2nd Campaign, “Mud March”
February-April Duty at Falmouth
April 27-May 6 Chancellorsville Campaign
May 1-5
Battle of Chancellorsville
June 11-July 24 Gettysburg Campaign
July 1-3
Battle of Gettysburg

The 141st was commanded by Colonel Henry J. Madill. Its losses included the death or mortal wounding of all of the color bearers and the entire color guard. It was the second highest percentage of losses of any Union regiment on the field, following only the 1st Minnesota.

From the monument in the Peach Orchard at Gettysburg:

July 2 occupied this position from 4 to 6 p.m. Advanced and successfully resisted an attack on the 15th New York Light Artillery by the 2nd and 8th South Carolina Infantry. Afterwards retired changed front to the right and encountered a brigade of the 13th, 17th, 18th, and 21st Mississippi Infantry. Held them in check with great gallantry until outflanked. Retired firing by successive formations from the field.

Present at Gettysburg 9 offices and 200 men. Killed and died of wounds 1 officer 41 men total 42. Wounded 5 officers 41 men total 46. Captured or missing 21 men total 21. Total 149.

July 5-24 Pursuit of Lee
July 23 Wapping Heights, Va.
August-October Duty on line of the Rappahannock and the Rapidan
October 9-22 Bristoe Campaign
October 13 Auburn
November 7-8 Advance to line of the Rappahannock
November 7 Kelly’s Ford
November 26-December 2 Mine Run Campaign
November 27 Payne’s Farm
1864
February 6-7 Demonstration on the Rapidan
March Attached to 1st Brigade, 3rd Division, 2nd Army Corps
May 4-June 12 Rapidan Campaign
May 5-7
Battle of the Wilderness
May 8 Laurel Hill
May 8-21
Battle of Spottsylvania Court House
May 10 Po River
May 12 Assault on the Salient
May 19 Harris Farm
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 16-18 First Assault on Petersburg
June 16 Siege of Petersburg begins
June 22-23 Jerusalem Plank Road
July Attached to 2nd Brigade, 3rd Division, 2nd Army Corps
July 27-29 Demonstration north of James at Deep Bottom
July 27-28 Deep Bottom
July 30 Mine Explosion, Petersburg (Reserve)
August 13-20 Demonstration north of the James at Deep Bottom
August 14-18 Strawberry Plains, Deep Bottom
August 25 Ream’s Station
September 29-October 2 Poplar Springs Church
October 27-28 Boydton Plank Road, Hatcher’s Run
December 7-12 Expedition to Weldon Railroad
1865
February 5-7 Dabney’s Mills, Hatcher’s Run
March 25 Watkins’ House
March 28-April 9 Appomattox Campaign
March 31 Crow’s House
April 2 Fall of Petersburg
April 6 Sailor’s Creek
April 7 High Bridge
April 9
Appomattox Court House

Surrender of Lee and his army.

May 2-12 March to Washington, D.C.
May 23 Grand Review
May 28 Mustered out