United States Regiments & Batteries > Massachusetts > 18th Massachusetts Infantry Regiment


The 18th Massachusetts Infantry Regiment lost 9 officers and 114 enlisted men killed or mortally wounded and 2 officers and 127 enlisted men to disease in the Civil War. It is honored by a monument at Gettysburg.

1861
August 27 The 18th Massachusetts Infantry Regiment was organized at Readville and Boston and mustered in.
August 28 Left State for Washington, D.C.; attached to Fort Corcoran, Defenses of Washington
September 26 At Hall’s Hill, Va. Assigned to Martindale’s Brigade, Porter’s Division, Army of the Potomac.
1862
March Assigned to 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac
March 10-16

Advance on Manassas, Virginia

March 16-23 Moved to Alexandria, then to Fortress Monroe
March 27 Reconnaissance to Great Bethel
April 5 Warwick Road
April 5-May 4

Siege of Yorktown

May Assigned to 1st Brigade, 1st Division, 5th Army Corps, Army of the Potomac
May 27

Battle of Hanover Court House

May 27-29 Operations about Hanover Court House
June 25-July 1

Seven days before Richmond

June 26-July 2 Operations about White House Landing
July – August 15 At Harrison’s Landing
August 15-28 Retreat from the Peninsula and movement to Centreville
August 25 Major Joseph Hayes promoted to lieutenant colonel
August 30

Second Battle of Bull Run

September 16-17

Battle of Antietam

Commanded by Lieutenant Colonel Joseph Hayes, the regiment was in support of artillery but was not engaged

 September 19

Shepherdstown Ford

September 20

Shepherdstown, W. Va.

September 21 –
October 30
At Sharpsburg
October 30-
November 19
Movement to Falmouth, Va.
December 12-15

Battle of Fredericksburg

December 29-30 Expedition to Richards and Ellis Fords
1863
January 20-24

“Mud March”

January – April 27 Duty at Falmouth
April 27-May 6

Chancellorsville Campaign

May 1-5

Battle of Chancellorsville

June 11-July 24

Gettysburg Campaign

June 21 Ashby’s Gap
July 1-3

Battle of Gettysburg

The regiment was commanded by Colonel Joseph Hays and fought on the Stony Hill on the second day. It brought 118 men to the field, losing 1 killed, 23 wounded and 3 missing.

July 14 Williamsport, Md.
July 27 –
September 17
At Warrenton and Beverly Ford
September 17 –
October 11
At Culpeper
October 11-22

Bristoe Campaign

November 7-8 Advance to line of the Rappahannock
November 7

Rappahannock Station

November 26-
December 2

Mine Run Campaign

December – May At and near Brandy Station and Stevensburg
1864
March Assigned to 3rd Brigade, 1st Division, 5th Corps
May-June

Campaign from the Rapidan to the James

May 5-7

Battle of the Wilderness

May 8

Laurel Hill

May 8-21

Battle of Spotsylvania Court House

May 12 Colonel Hayes was promomted to brigadier general
May 12

Assault on the Salient

May 23-26
North Anna River
May 23 Jericho Ford
May 26-28 On line of the Pamunkey
May 28-31

Totopotomoy

June 1-12

Cold Harbor

June 1-3

Bethesda Church

June 16-18

First Assault on Petersburg

June 16 to
October 21

Siege of Petersburg

June 21-23

Weldon Railroad

July 20 Old members left front
September 2 Old members of the 18th Massachusetts Infantry Regiment mustered out. Veterans and Recruits consolidated to a Battalion.
September 30-
October 2

Poplar Springs’ Church, Peeble’s Farm

October 21 Consolidated with 32nd Massachusetts Infantry