The 154th New York Infantry Regiment lost 2 officers and 81 enlisted men killed or mortally wounded and 2 officers and 193 enlisted men to disease during the Civil War. It is honored by a monument on the Chancellorsville battlefield and by a monument on Coster Avenue in Gettysburg.

Sergeant Stephen Welch was awarded the Medal of Honor for his actions at Dug Gap, Georgia on May 8, 1864.

1862
September 24 Organized at Jamestown, N.Y., and mustered in under Colonel Patrick Jones, Lieutenant Colonel Henry Loomis and Major Samuel Love.
September 30 Left State for Washington, D.C.
October 2 Duty at Fairfax, Va., attached to 1st Brigade, 2nd Division, 11th Army Corps, Army of the Potomac
November 1-20 Movement to Warrenton, thence to Germantown
November 23 Major Love discharged
December 10-15 March to Fredericksburg, Va.
December 29 Captain Jacob Ten Eyck of the 3rd New York Infantry Regiment mustered in as major
1863
January-April At Falmouth, Va.
January 11 Major Ten Eyck discharged
January 19 Captain Daniel B. Allen of Company B promoted to major
January 20-24 “Mud March”
April 27-May 6 Chancellorsville Campaign
May 1-5
Battle of Chancellorsville

Adjutant Samuel Noyes and 41 enlisted men were killed or mortally wounded, Captain John Griswold, Lieutenant Winfield Cameron, 1 other officer and 68 enlisted men were wounded, and Captain Commodore Vedder, Lieutenants Salmon Beardsley, Winfield Cameron and William Chapman and 111 enlisted men were captured

May 30 Lieutenant Colonel Henry Loomis discharged
June 2 Lieutenant John Badgers died of disease at Stafford Court House, Virginia
June 11-July 24 Gettysburg Campaign
June 30 Major Daniel Allen promoted to lieutenant colonel with rank from May 30, Captain Lewis D. Warner of Company C to major
July 1-3
Battle of Gettysburg

The regiment was commanded at Gettysburg by Lieutenant Colonel Daniel B. Allen and brought 274 men to the field. One enlisted man was killed, Captain Matthew Cheeney, Lieutenant Dana P. Horton and 20 enlisted men wounded, Captains Benjamin Casler, Joseph B. Fay, Simeon Poole and Edward Porter, Lieutenants John Henry, Isaac Jenkins, Alexander McDade, Corvelle Stevens and George Winters and 169 enlisted men captured or missing, a total of 200. 142 men died while prisoners.

From the monument:

July 1, 1863. July 2nd and 3rd, occupied position on East Cemetery Hill.

A monument to Amos Humiston, an enlisted man from the 154th who was mortally wounded on July 1, is a short distance south of the regimental monument, on Stratton Street. His unidentified body was found with a photograph of his young children clutched in his hands, launching a nationwide search which found them.

July 5-24 Pursuit of Lee
July 21 Captain Isaac Jenkins died of disease while in captivity in Richmond
August-September At Bristoe Station
September 24-
October 3
Movement to Bridgeport, Alabama. transferred to Army of the Cumberland
October 25-28 March along line of Nashville & Chattanooga Railroad to Lookout Valley, Tenn.
October 26-29 Reopening Tennessee River
October 28-29 Battle of Wauhatchie, Tenn. ONe enlisted man was wounded.
November 23-27 Chattanooga-Ringgold Campaign
November 23 Orchard Knob
November 24-25 Tunnel Hill. Six enlisted men were wounded.
November 25 Mission Ridge
November 28-
December 17
March to relief of Knoxville
1864
January-May Duty in Lookout Valley
April Attached to 2nd Brigade, 2nd Division, 20th Army Corps, Army of the Cumberland
May 1-
September 8
Atlanta Campaign
May 8-11
Demonstration on Rocky Faced Ridge

The regiment lost 13 enlisted men killed or wounded and 2 officers and 35 enlisted men wounded

May 8
Dug Gap or Mill Creek

Sergeant Stephen Welch earned the Medal of Honor for risking his life to rescue a wounded comrade under enemy fire.

May 14-15
Battle of Resaca

The regiment lost 4 enlisted men wounded, 1 mortally

May 19 Near Cassville
May 22-25 Advance on Dallas
May 25 New Hope Church
May 26-June 5
Battles about Dallas, New Hope Church and Allatoona Hills

The regiment lost 1 enlisted man mortally wounded and 2 officers and 9 enlisted men wounded

June 10-July 2
Operations about Marietta and against Kenesaw Mountain

Captain Allanson Crosby and 10 enlisted men were killed or mortally wounded and Lieutenant Clinton Barnhart and 24 enlisted men wounded

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 5-17 Chattahoochie River
July 19-20
Peach Tree Creek

The regiment lost 3 enlisted men killed or mortally wounded, 1 officer and 2 enlisted men wounded, and 1 man missing

July 22-August 25 Siege of Atlanta
August 26-
September 2
Operations at Chattahoochie River Bridge
September 2-November 15 Occupation of Atlanta
September 30 Lieutenant Colonel Allen discharged for disability
October 26-29 Expedition from Atlanta to Tuckum’s Cross Roads
November 9 Near Atlanta
November 15-December 10 March to the sea

The regiment lost 1 enlisted man killed, 3 wounded and 3 missing

December 10-21
Siege of Savannah

Captain James Gallagher was wounded

1865
January to April
Campaign of the Carolinas

The regiment lost 10 enlisted men missing

Janury 4 Major Lewis Warner promoted to lieutenant colonel with rank from September 30, 1864
February 1 Captain Harrison Cheeney of Company D promoted to major
March 16 Averysboro, N. C.
March 19-21 Battle of Bentonville
March 24 Occupation of Goldsboro. Colonel Patrick Jones discharged for promotion to brigadier general. Lieutenant Colonel Warner promoted to colonel, Major Cheeney promoted to lieutenant colonel and Captain Alfred Benson of Company D to major.
March 27
Snow Hill

The regiment lost 1 enlisted man killed and 4 wounded

April 9-13 Advance on Raleigh
April 14 Occupation of Raleigh
April 26 Bennett’s House. Surrender of Johnston and his army.
April 29-May 19 March to Washington, D.C., via Richmond
May 24 Grand Review
June 11 Mustered out under Colonel Warner, Lieutenant Colonel Cheeney and Major Benson. Veterans and Recruits transferred to 102nd New York Infantry.