Seven Days Union order of battle

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The following Union Army units and commanders fought in the Seven Days Battles (from June 25 to July 1, 1862) of the American Civil War. Order of battle compiled from the army organization-return of casualties during the battle[1] and the reports.[2][3] The Confederate order of battle is listed separately.

Organization of the Union Army of the Potomac during the Seven Days Battle of the American Civil War

Abbreviations used[edit]

Military rank[edit]

Other[edit]

Army of the Potomac[edit]

MG George B. McClellan, Commanding

General Staff and Headquarters[edit]

General Staff[edit]

General Headquarters[edit]

II Corps[edit]

BG Edwin V. Sumner

Division Brigade Regiments and Others

First Division


     BG Israel B. Richardson

1st Brigade


     BG John C. Caldwell

2nd Brigade[4]


     BG Thomas F. Meagher
     Col Robert Nugent
     BG Thomas F. Meagher

3rd Brigade


     BG William H. French

Artillery


     Cpt George W. Hazzard (mw)

Second Division


     BG John Sedgwick (w)

1st Brigade


     Col Alfred Sully

2nd Brigade


     BG William W. Burns

3rd Brigade


     BG Napoleon J.T. Dana

Artillery


     Col Charles H. Tompkins

Artillery Reserve
Cavalry
  • 6th New York Cavalry (Companies D, F, H and K): : Ltc Duncan McVicar

III Corps[edit]

BG Samuel P. Heintzelman

Division Brigade Regiments and Others

Second Division


     BG Joseph Hooker

1st Brigade


     BG Cuvier Grover

2nd Brigade


     BG Daniel Sickles

  • 70th New York Infantry Regiment: Maj Thomas Holt
  • 71st New York Infantry Regiment: Col George B. Hall
  • 72nd New York Infantry Regiment: Col Nelson Taylor
  • 73rd New York Infantry Regiment: Cpt Alfred A. Donalds
  • 74th New York Infantry Regiment: Col Charles K. Graham
3rd Brigade


     Col Joseph B. Carr

  • 5th New Jersey: Maj John Ramsey
  • 6th New Jersey: Col Gershom Mott
  • 7th New Jersey: Col Joseph W. Revere; Cpt Henry C. Bartlett
  • 8th New Jersey: Maj William A. Henry
  • 2nd New York: Ltc William A. Olmsted
Artillery
  • Battery D, 1st New York Light Artillery: Cpt Thomas W. Osborn
  • 4th New York Light Artillery: Lt Joseph E. Nairn
  • Battery H, 1st U.S. Light Artillery: Cpt Charles H. Webber

Third Division


     BG Philip Kearny

1st Brigade


     BG John C. Robinson

2nd Brigade


     BG David B. Birney

3rd Brigade


     BG Hiram G. Berry

Artillery
Artillery Reserve


     Cpt Gustavus A. De Russy

Cavalry


     Col William W. Averell

IV Corps[edit]

BG Erasmus D. Keyes

Division Brigade Regiments and Others

First Division


     BG Darius N. Couch

1st Brigade


     BG Albion P. Howe

2nd Brigade


     BG John J. Abercrombie

3rd Brigade


     BG Innis N. Palmer

Artillery

Second Division


     BG John J. Peck

1st Brigade


     BG Henry M. Naglee

2nd Brigade


     BG Henry W. Wessells

Artillery
  • Battery H, 1st New York Light Artillery: Lt Charles E. Mink
  • 7th New York Artillery: Cpt Peter C. Regan
Artillery Reserve


     Maj Robert M. West

  • 8th New York Light Artillery: Cpt Butler Fitch
  • Battery E, 1st Pennsylvania Artillery: Cpt Theodore Miller
  • Battery H, 1st Pennsylvania Artillery: Cpt James Brady
  • Battery M, 5th U.S. Light Artillery: Cpt James McKnight
Cavalry


     Col David M. Gregg

V Corps[edit]

BG Fitz J. Porter

Division Brigade Regiments and Others

First Division


     BG George W. Morell

1st Brigade


     BG John H. Martindale

2nd Brigade


     BG Charles Griffin

  • 9th Massachusetts: Col Thomas Case (mw); Ltc Patrick R. Guiney
  • 4th Michigan: Col Dwight A. Woodbury (k - Malvern Hill), Ltc Jonathan W. Childs (w), Cpt John M. Randolph
  • 14th New York: Col James McQuade
  • 62nd Pennsylvania: Col Samuel W. Black (k - Gaines's Mill); Ltc Jacob B. Sweitzer (w/c), Cpt James Hull
3rd Brigade


     BG Daniel Butterfield

Artillery


     Cpt William B. Weeden

Sharpshooters


     Col Hiram Berdan

Second Division


     BG George Sykes

1st Brigade


     Ltc Robert C. Buchanan

  • 3rd United States: Maj Nathan B. Rossell (k), Cpt Thomas W. Walker, Cpt John D. Wilkins
  • 4th United States: Maj Delozier Davidson (c), Cpt Joseph B. Collins
  • 12th U.S.: Maj Henry B. Clitz (w/c); Cpt John G. Read, Cpt Matthew M. Blunt
  • 14th U.S.: Cpt John D. O'Connell
2nd Brigade


     Ltc William Chapman
     Maj Charles S. Lovell

3rd Brigade


     Col Gouverneur K. Warren

Artillery


     Cpt Stephen H. Weed

Third Division (Pennsylvania Reserves)


     BG George A. McCall (c - Frayser's Farm)
     BG Truman Seymour

1st Brigade


     BG John F. Reynolds (c - Gaines' Mill)
     Col Seneca G. Simmons (k)[10]
     Col Richard Biddle Roberts

2nd Brigade


     BG George G. Meade (w - Glendale)
     Col Albert L. Magilton

  • 3rd Pennsylvania Reserves: Col Horatio G. Sickel
  • 4th Pennsylvania Reserves: Col Albert L. Magilton
  • 7th Pennsylvania Reserves: Col Elisha B. Harvey
  • 11th Pennsylvania Reserves: Col Thomas F. Gallagher (c), Cpt Daniel S. Porter
3rd Brigade


     BG Truman Seymour
     Col Conrad Feger Jackson

Artillery


     Cpt Henry V. De Hart (mw)

Cavalry


     Col James H. Childs

  • 4th Pennsylvania Cavalry: Col James H. Childs
Cavalry


     Col John F. Farnsworth

VI Corps[edit]

BG William B. Franklin

Division Brigade Regiments and Others

First Division


     BG Henry W. Slocum

1st Brigade


     BG George W. Taylor

  • 1st New Jersey: Ltc Robert McAllister, Col A. T. A. Torbert
  • 2nd New Jersey: Col Isaac M. Tucker (k), Maj Henry O. Ryerson (w), Ltc Samuel L. Buck
  • 3rd New Jersey: Col Henry W. Brown
  • 4th New Jersey: Col James H. Simpson (c), Ltc William B. Hatch
2nd Brigade


     Col Joseph J. Bartlett

  • 5th Maine: Col Nathaniel J. Jackson (w), Ltc William S. Heath (k), Cpt Clark S. Edwards
  • 16th New York: Col Joseph Howland (w), Maj Joel J. Seaver
  • 27th New York: Ltc Alexander D. Adams
  • 96th Pennsylvania: Col Henry L. Cake
3rd Brigade


     BG John Newton

  • 18th New York: Ltc George R. Myers, Maj John C. Meginnis
  • 31st New York: Col Calvin E. Pratt (w), Maj Alexander Raszewski
  • 32nd New York: Col Roderick Matheson
  • 95th Pennsylvania: Col John M. Gosline (mw), Ltc Gustavus W. Town
Artillery

Second Division


     BG William F. Smith

1st Brigade


     BG Winfield S. Hancock

2nd Brigade


     BG William T. H. Brooks

  • 2nd Vermont: Col Henry Whiting
  • 3rd Vermont: Ltc Wheelook G. Veazey
  • 4th Vermont: Col Edwin H. Stoughton
  • 5th Vermont: Ltc Lewis A. Grant
  • 6th Vermont: Col Nathan Lord, Jr.
3rd Brigade


     BG John W. Davidson

Artillery


     Cpt Romeyn B. Ayres

  • Battery E, 1st New York Light Artillery: Cpt Charles C. Wheeler
  • 1st New York Light Artillery: Cpt Andrew Cowan
  • 3rd New York Light Artillery: Cpt Thaddeus P. Mott
  • Battery F, 5th U.S. Light Artillery: Cpt Romeyn B. Ayres
Cavalry
Cavalry
  • 1st New York Cavalry: Col Andrew T. McReynolds

Artillery Reserve[edit]

Col Henry J. Hunt

Brigade Batteries
First Brigade (Horse Artillery)


     Ltc William Hays

  • Battery A, 2nd U.S. Light Artillery: Cpt John C. Tidball
  • Battery B and L, 2nd U.S. Light Artillery: Cpt James M. Robertson
  • Battery M, 2nd U.S. Light Artillery: Cpt Henry Benson
  • Battery C and G, 3rd U.S. Light Artillery:[11] Cpt Horatio G. Gibson
Second Brigade


     Ltc George W. Getty

Third Brigade


     Maj Albert Arndt

  • Battery A, 1st Battalion New York Light Artillery: Cpt Otto Diederichs
  • Battery B, 1st Battalion New York Light Artillery: Cpt Adolph Voegelee
  • Battery C, 1st Battalion New York Light Artillery: Cpt Robert Langner
  • Battery D, 1st Battalion New York Light Artillery: Cpt John Knieriem
Fourth Brigade


     Maj Edward R. Petherbridge

Fifth Brigade


     Cpt J. Howard Carlisle

  • Battery E, 2nd U.S. Light Artillery: Cpt J. Howard Carlisle
  • Battery F and K, 3rd U.S. Light Artillery: Cpt La Rhett L. Livingston
Unattached
Siege Train


     Col Robert O. Tyler

Cavalry Reserve[edit]

Division Brigade Regiments and Others

Cavalry Reserve


     BG Philip St. George Cooke

First Brigade


     Col Richard H. Rush

Second Brigade


     Col George A. H. Blake

Casey's Command[edit]

Brigade Regiments and Others

Casey's Command (at White House Landing)


     BG Silas Casey (w)

  • 11th Pennsylvania Cavalry (Companies B, D, F, I, & K): Col Josiah Harlan
  • Battery F, 1st New York Light Artillery: Cpt William R. Wilson
  • 93rd New York (Companies B, C, D, E, G, & L): Col Thomas F. Morris

Notes[edit]

  1. ^ Official Records, Series I, Volume XI, Part 2, pages 21-37
  2. ^ Official Records, Series I, Volume XI, Part 2, pages 4-12
  3. ^ Multiple commander names indicate command succession of command during the battle or the campaign.
  4. ^ Meagher was arrested on the evening June 29 and released on June 30 at 8 o'clock. Nugent commanded the Brigade at Savage's Station and the march through White Oak Swamp.
  5. ^ Attached to the 15th Massachusetts.
  6. ^ Attached to the 1st Minnesota.
  7. ^ See Artillery Reserve.
  8. ^ a b c Detached with Stoneman's Command.
  9. ^ Attached to the 16th Michigan.
  10. ^ Killed in action at the Battle of Glendale
  11. ^ a b Detached with Casey's Command.
  12. ^ Temporarily assigned July 1 from Second Corps.
  13. ^ Not mounted, officers an men served with other batteries.

References[edit]