The Civil War in the East

9th Massachusetts Infantry Regiment

The 9th Massachusetts Infantry Regiment lost 15 officers and 194 enlisted men killed or mortally wounded and 3 officers and 66 enlisted men to disease during the Civil War.

 

It is honored by a monument at Gettysburg (right).

Monument to the 9th Massachusetts Infantry Regiment at Gettysburg

Thumbnail of the Ninth Massachusetts before celebrating Mass at Camp Cass near Washington, D.C. Photograph of the Ninth before celebrating Mass at Camp Cass near Washington, D.C.

1861

June 11

Organized at Boston under Colonel Thomas Cass. Recruited from men from Boston, Salem, Milford, Marlboro and Stoughton, with most of its volunteers of Irish birth or heritage.

June 27

Left State for Washington, D.C.; attached to Sherman's Brigade, Division of the Potomac and duty at Arlington Heights and Munson's Hill, defences of Washington, D.C.

June 30

Arrived in Washington

July-August

Constructed Fort Cass

October

Assigned to Morrell's Brigade, Porter's Division, Army of the Potomac

1862

March

Assigned to 2nd Brigade, 1st Division, 3rd Army Corps, Army of the Potomac

March 16

Moved to the Peninsula, Virginia

April 4

Skirmish at Howard's Bridge

April 5

Warwick Road

April 5-May 4

Siege of Yorktown

May

Assigned to 2nd Brigade, 1st Division, 5th Army Corps, Army of the Potomac

May 27

Battle of Hanover C. H.

May 27-29

Operations about Hanover C. H.

June 25-July 1

Seven days before Richmond

June 26

Battle of Mechanicsville

June 27

Gaines' Mill

The regiment lost 57 killed, 149 wounded and 25 missing defending a vital bridge and acting as rearguard

June 30

White Oak Swamp and Turkey Bridge

July l

Malvern Hill

The regiment lost 166 casuaties, including Colonel Cass, who was mortally wounded, and Acting Lt. Colonel Hawley, who was wounded. Acting Major O'Leary took over the regiment, as Lt. Colonel Guiney and Major Hanley were on sick leave.

July 2 - August 16

Duty at Harrison's Landing. Lt. Colonel Guiney promoted to colonel.

August 10-28

Movement to Fortress Monroe, then to Centreville

August 28- September 2

Pope's Campaign

August 29

Battles of Groveton

August 30

Bull Run

September 16-17

Battle of Antietam

September 19

Blackford's Ford

September 20

Shepherdstown, W. Va.

October 16-17

Reconnoissance toward Smithville, W. Va.

December 12-15

Battle of Fredericksburg

December 29-30

Expedition to Richard's and Ellis' Fords

1863

January 20-24

"Mud March"

April 27-May 6

Chancellorsville Campaign

May 1-5

Battle of Chancellorsville

June 11-July 24

Gettysburg Campaign

July 1-3

Battle of Gettysburg

The regiment was commanded by Colonel Patrick R. Guiney. It brought 474 men to the field.

 

Form the monument: "Erected by the Ninth Regiment Infantry Massachusetts Volunteers, 2nd Brigade, 1st Division, 5th Army Corps, Army of the Potomac. During the Battle of Gettysburg the Ninth Regt. was detached from the 2nd Brigade and it held this position on Round Top. Casualties 26 men."

October 9-22

Bristoe Campaign

November 7

Rappahannock Station

November 26- December 2

Mine Run Campaign

December 3

At Bealeton and guard Orange & Alexandria Railroad

1864

January 14,

Bealeton (1 Company)

May-June

Rapidan Campaign

May 5-7

Battle of the Wilderness

Colonel Guiney was badly wounded while commanding the brigade. The regiment, under the command of Lt. Colonel Hanley, lost 26 killed, 108 wounded and 3 missing.

May 8

Battle of Laurel Hill

May 8-12

Battle of Spottsylvania

The regment lost 25 killed, 71 wounded and 9 missing.

May 12-21

Spottsylvania C. H.

May 12

Assault on the Salient at Spottsylvania C. H.

May 23-26

North Anna River

May 24

Jericho Mills

May 26-28

Line of the Pamunkey

May 28-31

Totopotomoy

June 1-10

Cold Harbor

June 10

Left front and ordered home for muster out.

June 21

Mustered out