The 114th New York Infantry was organized at Norwich, New York beginning July 21, 1862 and mustered in September 3, 1862 for three years service under the command of Colonel Elisha B. Smith.

The regiment was attached to Emery's Brigade, Defenses of Baltimore, VIII Corps, Middle Department, to November 1862.

1st Brigade, 3rd Division, XIX Corps, Department of the Gulf, January 1863.

1st Brigade, Dwight's 1st Provisional Division, Army of the Shenandoah, to April 1865.

1st Brigade, Dwight's Division, Department of Washington, to June 1865.

Recruits and veterans were transferred to the 90th New York Infantry.

Moved to Algiers January 7, 1863, and served guard duty along the Opelousas and Great Western Railroad until February.

Guard livestock to Brashear City April 20–28.

Expedition from Berne's Landing to Brashear City May 21–26.

Duty near Thibodeaux until August 19, and at Brashear City until September 2.

Battle of Sabine Cross Roads April 8.

Monett's Ferry or Cane River Crossing April 23.

Sheridan's Shenandoah Valley Campaign August 7-November 28.