The 1st United States Sharpshooter Regiment lost 10 officers and 143 enlisted men killed or mortally wounded and 1 officer and 128 enlisted men to disease during the Civil War.

August 21 Company C organized in Michigan under Captain Benjamin Duesler
September Companies A, D & H organized at New York City under Captains Casper Trepp (A), George S. Tuckerman (D) and George G. Hastings (H)
Company B organized at Albany, N.Y. under Captain Stephen Martin
September 9 Company E organized in New Hampshire Captain Amos B. Jones
September 13 Company F organized in Vermont under Captain Edmund Weston
September 19 Company G organized in Wisconsin under Captain Edward Drew
September Most of Regiment concentrated at Weehawken, N.J.
September 24-25 Moved to Washington, D.C.
November 29 Mustered in under Colonel Hiram Berdan and Lieutenant Colonel William Y. W. Ripley. Assigned to duty in the Defenses of Washington, D.C. Served Unattached, Army of the Potomac, and Martindale’s Brigade, Fitz John Porter’s Division, Army of the Potomac
March 4 Company I organized in Michigan under Captain A. M. Willet
March 22 Moved to Fortress Monroe, Va. Assigned to 1st Division, 3rd Army Corps, Army of the Potomac
March 30 Company K organized in Michigan under Captain S. J. Mather
April 1-5 Advance on Yorktown
April 4 Great Bethel and Howard’s Bridge
April 5 Warwick Road
April 5-May 4 Siege of Yorktown
May 5 Battle of Williamsburg
May Attached to 3rd Brigade, 1st Division, 5th Army Corps
May 27 Battle of Hanover Court House
April 27-29 Operations about Hanover Court House
June 25-July 1 Seven days before Richmond
June 26 Battles of Mechanicsville
June 27 Gaines’ Mill
June 29 Peach Orchard and Savage Station
June 30 Turkey Bridge, White Oak Swamp
July 1
Malvern Hill

Lieutenant Colonel Ripley was awarded the Medal of Honor for bringing up two regiments of reinforcements and leading them into battle, when he was severely wounded. Ripley was disabled from further field command.

July Duty at Harrison’s Landing
August 15-28 Movement to Centreville
August 16-September 2 Pope’s Campaign in Northern Virginia
August 29 Battle of Groveton
August 30
Second Battle of Bull Run
September 6-22 Maryland Campaign. Attached to 1st Brigade, 1st Division, 1st Army Corps, Army of the Potomac
September 14 Battle of South Mountain
September 16-17
Battle of Antietam
September 19 Shepherdstown Ford
October 29-November 17 Movement to Falmouth, Va.
December 12-15
Battle of Fredericksburg
December 29-30 Expedition from Potomac Creek to Richard’s and Ellis’ Fords, Rappahannock River
January 20-24 “Mud March”
February-April At Falmouth
March Attached to 3rd Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac
April 27-May 6 Chancellorsville Campaign
May 1-5
Battle of Chancellorsville
June 11-July 24 Gettysburg Campaign
June Attached to 2nd Brigade, 1st Division. 3rd Army Corps
July 1-3
Battle of Gettysburg
July 5-24 Pursuit of Lee to Manassas Gap, Va.
July 23 Wapping Heights, Va.
June Attached to 2nd Brigade, 1st Division. 3rd Army Corps
October 9-22 Bristoe Campaign
October 14 Auburn and Bristoe
November 7-8 Advance to line of the Rappahannock
November 7 Kelly’s Ford
November 8 Brandy Station
November 26-
December 2
Mine Run Campaign
November 27 Payne’s Farm
February 6-7 Demonstration on the Rapidan
March Attached to 2nd Brigade, 3rd Division, 2nd Army Corps
May 4-June 15 Campaign from the Rapidan to the James River
May 5-7
Battle of the Wilderness
May 8 Laurel Hill
May 8-12 Spotsylvania
May 10 Po River
May 12-21
Spotsylvania Court House
May 12 Assault on the Salient, “Bloody Angle”
May 19 Harris Farm, Fredericksburg Road
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
May 30-31 Hanovertown
June 1-12
Cold Harbor
June 16-19 Before Petersburg
June 16 to December 31 Siege of Petersburg
June 22-23 Jerusalem Plank Road, Weldon Railroad
July 27-29 Demonstration north of the James
July 28-29 Deep Bottom
August 13-20 Demonstration north of the James at Deep Bottom
August 14-18 Strawberry Plains
August 19 Company A mustered out
August 28 Company D mustered out. Veterans and Recruits assigned to Companies I and K.
September 15 Veterans of Company H to Company D
September 29-October 2 Poplar Springs Church, Peeble’s Farm
October 27-28 Boydton Plank Road, Hatcher’s Run
November 30 Colonel Berdan resigned.
December 7-12 Expedition to Weldon Railroad
December 31 Regiment consolidated with 2nd Regiment Sharpshooters