The Civil War in the East

173rd New York Infantry Regiment "4th National Guard"

The 173rd New York Infantry lost 6 officers and 38 enlisted men killed and mortally wounded and 2 officers and 129 enlisted men to disease during the Civil War.



October - November

Organized at Brooklyn, N.Y. under Colonel Charles B. Morton, Lieutenant Colonel Lewis M. Peck and Major A. Power Gallway from the police departments of New York and Brooklyn.

December 9

Left State for New Orleans, La.

December 17

Occupation of Baton Rouge, La. Attached to Grover's Division, Dept. of the Gulf



Assigned to 2nd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf

February 18-28

Operations on Bayou Plaquemine and the Black and Atchafalaya Rivers

MArch 5

Colonel Morton discharged

March 7-27

Operations against Port Hudson, La.

March 16

Lt. Colonel Lewis Peck promoted to colonel with rank from March 13

April 3

Moved to Algiers

April 8

To Brashear

April 9-May 14

Operations in Western Louisiana

April 11-20

Teche Campaign

April 12-13

Fort Bisland, near Centreville

The regiment lost 3 enlisted en killed or mortally wounded and 4 wounded

April 17-21

Expedition from St. Martinsville to Breaux Bridge

April 26-29

Expedition from Opelousas to Chicotsville and Bayou Boeuf

May 4-12

Expedition to Alexandria, on Red River

May 19-26

March to Port Hudson

May 26-July 9

Siege of Port Hudson

The regiment lost Major Gallway, 3 other officers and 21 enlisted men killed or mortally wounded, 4 officers and 63 enlisted men wounded, and 1 man missing

May 27

Assault on Port Hudson

June 14

Assault on Port Hudson

July 9

Surrender of Port Hudson

July 15

Moved to New Orleans

August 8

Captain William N. Green, Jr. of the 102nd New York mustered in as Lieutenant Colonel

September 4-11

Sabine Pass (Texas) Expedition. Assigned to 1st Brigade, 3rd Division, 19th Army Corps.

September 16

Moved to Brashear City, then to Berwick.

October 3- November 30

Western Louisiana Campaign

November 11


November- December

At New Iberia


January 7

Moved to Franklin


Assigned to 3rd Brigade, 1st Division, 19th Army Corps, Dept. of the Gulf

March 10-May 22

Red River Campaign

March 14-26

Advance from Franklin to Alexandria

April 8

Battle of Sabine Cross Roads

April 9

Pleasant Hill

The regiment lost Lt. Colonel Green and 17 enlisted men killed or mortally wounded, 30 enlisted men wounded, and 2 officers and 150 enlisted men captured

April 23

Monett's Bluff, Cane River Crossing

The regiment lost 1 officer and 5 enlisted men killed or ortally wounded and 1 officer and 25 enlisted men wounded

April 26-May 13

At Alexandria

April 30-May 10

Construction of dam at Alexandria

May 13-20

Retreat to Morganza

May 15

Captain George W. Rogers of Company A promoted to major

May 16



Duty at Morganza

July 2-31

Moved to Fortress Monroe, Va., thence to Washington, D.C.

August 7-
November 28

Sheridan's Shenandoah Valley Campaign attached to Army of the Shenandoah, Middle Military Division, 19th Army Corps, 1st Division

August 14 to October 27

Served with Brigade, detached as train guard for the army


Duty near Middletown and Newtown

November 30

Captain Mellen T. Holbrook of Company E promoted to lieutenant colonel


At Stevenson's Depot and Winchester



Attached to 3rd Brigade, 1st Provisional Division, Army of the Shenandoah


Moved to Washington, D.C., attached to 3rd Brigade, Dwight's Division, Dept. of Washington

May 23-24

Grand Review

June 30-July 7

Moved to Savannah, Ga.,, Dept. of the South

October 18, 1865

Mustered out under Colonel Peck, Lt. Colonel Holbrook and Major Rogers

About the Author • ©2015 Steve Hawks