The 110th New York Infantry Regiment lost 2 officers and 14 enlisted men killed and mortally wounded and 3 officers and 191 enlisted men to disease during the Civil War.

Organized at Oswego, N.Y.
August 27 Mustered in under Colonel De Witt C. Littlejohn, Lt. Colonel Clinton Sage and Major Charles Hamilton
August 29 Left State for Baltimore, Md. Attached to the Defenses of Baltimore, Md., 8th Army Corps, Middle Department
October Attached to Emery’s Brigade, 8th Army Corps
November 6 Moved to Fortress Monroe, Va., then sailed for New Orleans, La. attached to Emery’s Brigade, Louisiana Expedition
December 4 Arrived Carrollton, La. Attached to Sherman’s Division, Dept. of the Gulf
January Attached to 3rd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf
February 12-28 Operations on Bayou Plaquemine. Attached to 1st Brigade, 3rd Division, 19th Army Corps
March 7 Moved to Baton Rouge, La
March 7-27 Operations against Port Hudson, La.
April 3 Moved to Algiers
April 8 To Brashear City
April 11-17 Expedition to Franklin
April 12-13 Fort Bisland
April 14

The regiment lost 12 casualties

April 21 Expedition from Opelousas to Barre Landing
May 21-26 Expedition from Barre Landing to Berwick City
May 25 Franklin and Centreville
May 30 Moved to Port Hudson, La.
June 3-July 9
Siege of Port Hudson

The regiment lost 37 casualties during the siege.

June 14 Assault on Port Hudson
July 9 Surrender of Port Hudson
July – October Duty at Baton Rouge, Donaldsonville, Brashear City and Berwick
October 3 –
November 30
Western Louisiana (Teche) Campaign
November 11

The regiment lost 6 csualties

November – December Duty at New Iberia
January 7 Moved to Franklin
February To Key West, Fla. and garrison duty at Fort Jefferson. Attached to District of West Florida, Dept. Gulf
February 20 Attack on Fort Myers, Fla. (Detachment)
August 28 Mustered out under Colonel Charles Hamilton