The 188th New York Infantry Regiment lost 9 officers and 36 enlisted men killed and mortally wounded and 53 enlisted men to disease during the Civil War.
|Organized at Rochester, N.Y.|
|September 24||Company A organized as Company E, 183rd New York Infantry (which did not complete organization) and mustered in at Elmira, N.Y.|
|October 4-22||Mustered in under Colonel John McMahon, Lt. Colonel Isaac Doolittle and Major Christopher Davison|
|October 13||Seven companies left the state under Major Davison to join the Army of the Potomac in the field. Attached to 2nd Brigade, 1st Division, 5th Army Corps|
|October 20||Siege of Petersburg|
Boydton Plank Road, Hatcher’s Run
The regiment lost 12 men killed or mortally wounded, 1 officer and 40 men wounded and 1 man missing.
|December 7-12||Warren’s Raid on Weldon Railroad|
|February 5-7||Dabney’s Mills, Hatcher’s Run|
The regiment lost 13 men killed or mortally wounded, 18 men wounded, and 3 men missing.
|March 28-April 9||
The regiment lost 1 officer and 9 men killed or mortally wounded, and 2 officers and 33 men wounded.
|March 29||Lewis Farm, near Gravelly Run and Junction of Boydton and Quaker Roads|
|March 31||White Oak Road|
|April 1||Five Forks|
|April 2||Fall of Petersburg|
|April 3-9||Pursuit of Lee|
|April 9||Appomattox Court House. Surrender of Lee and his army.|
|May 1-12||March to Washington, D.C.|
|May 23||Grand Review|
|June||Duty at Washington|
|July 1||Mustered out under Colonel McMahon, Lt. Colonel Doolittle and Major Davison|