View source for Seven Days Battles order of battle: Union

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<ref>Official Records, Series I, Volume XI, Part 2, [http://ebooks.library.cornell.edu/cgi/t/text/pageviewer-idx?c=moawar&cc=moawar&idno=waro0013&node=waro0013%3A1&view=image&seq=26&size=100 pages 21-37]</ref> and the reports.<ref>Official Records, Series I, Volume XI, Part 2, [http://ebooks.library.cornell.edu/cgi/t/text/pageviewer-idx?c=moawar&cc=moawar&idno=waro0013&node=waro0013%3A1&view=image&seq=6&size=100 pages 4-12]</ref><ref>Multiple commander names indicate command succession of command during the battle or the campaign.</ref> The [[Seven Days Confederate order of battle|Confederate order of battle]] is listed separately.
[[File:Union, Seven Days.png|thumb|500px|Organization of the Union Army of the Potomac during the Seven Days Battle of the American Civil War]]

==Abbreviations used==

===Military rank===
* '''MG''' = [[Major general (United States)|Major General]]
* '''BG''' = [[Brigadier general (United States)|Brigadier General]]
* '''Col''' = [[Colonel (United States)|Colonel]]
* '''Ltc''' = [[Lieutenant colonel (United States)|Lieutenant Colonel]]
* '''Maj''' = [[Major (United States)|Major]]
* '''Cpt''' = [[Captain (United States O-3)|Captain]]
* '''Lt''' = [[1st Lieutenant#U.S. Army.2C U.S. Marine Corps and U.S. Air Force|Lieutenant]]
* '''Sgt''' = [[Sergeant#History|Sergeant]]

===Other===
* '''w''' = [[Wounded in action|wounded]]
* '''mw''' = [[Mortal wound|mortally wounded]]
* '''k''' = [[Killed in action|killed]]
* '''c''' = [[Prisoner of war|captured]]

==Army of the Potomac==
{{Main|Army of the Potomac}}
MG [[George B. McClellan]], Commanding

===General Staff and Headquarters===

'''General Staff'''
*Chief of Staff: BG [[Randolph B. Marcy]]
*Chief of Artillery: BG [[William Farquhar Barry|William F. Barry]]
*Assistant Adjutant General: BG [[Seth Williams]]
*Chief Quartermaster: BG [[Stewart Van Vliet|Stewart L. Van Vliet]]

'''General Headquarters'''
*Escort
** Oneida (New York) Cavalry: Cpt James B. McIntyre
** [[U.S. 4th Cavalry Regiment|4th United States Cavalry]] (Companies A & E):  Cpt James B. McIntyre
*Provost Marshal General: BG [[Andrew Porter (Civil War general)|Andrew Porter]]
** McClellan Dragoons: Maj [[Alfred Pleasonton]]
** Sturges' Rifles: Maj [[Granville O. Haller]]
** [[93rd New York Volunteer Infantry|93rd New York]] (Companies A, F, H, & K): Maj [[Granville O. Haller]]
** [[U.S. 2d Cavalry Regiment|2nd United States Cavalry]]: Maj [[Alfred Pleasonton]]
** [[U.S. 8th Infantry Regiment#Civil War|8th United States]] (Companies F & G): Cpt [[Royal T. Frank]]; Lt Eugene Carter
*United States Engineers
** [[1st Engineer Battalion (United States)|Battalion United States Engineers]]: Cpt [[James C. Duane]]
*Engineer Brigade: BG [[Daniel P. Woodbury]]
** [[15th New York Engineer Regiment|15th New York Engineers]]: Col [[John McLeod Murphy]]
** [[50th New York Engineer Regiment|50th New York Engineers]]: Col [[Charles B. Stuart]]

===II Corps===
{{Main|II Corps (Union Army)}}
BG [[Edwin Vose Sumner|Edwin V. Sumner]]

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
First Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Israel B. Richardson]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John C. Caldwell]]
|
*	[[5th New Hampshire Volunteer Infantry|5th New Hampshire]]: Ltc Samuel G. Langley; Cpt Edward E. Sturtevant
*	[[7th New York Volunteer Infantry Regiment|7th New York]]: Col George W. von Schack
*	[[61st New York Volunteer Infantry Regiment|61st New York]]: Col [[Francis C. Barlow|Francis Channing Barlow]]
*	[[81st Pennsylvania Infantry|81st Pennsylvania]]: Col Charles F. Johnson ('''w - Glendale'''); Ltc Eli T. Conner ('''k - Malvern Hill'''); Maj H. Boyd McKeen

|-
| [[Irish Brigade (U.S.)|2nd Brigade]]<ref>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.</ref>
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Thomas F. Meagher]]
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Robert Nugent (officer)|Robert Nugent]]
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Thomas F. Meagher]]<br>
|
*	[[29th Regiment Massachusetts Volunteer Infantry|29th Massachusetts]]: Col [[Ebenezer W. Pierce]] ('''w - White Oak Swamp'''); Ltc Joseph H. Barnes
*	[[63rd New York Infantry|63rd New York]]: Col [[John Burke (colonel)|John Burke]] ('''w'''); Ltc Henry Fowler; Cpt Joseph O'Neill
*	[[69th New York Infantry#The Civil War|69th New York]]: Col Robert Nugent
*	[[88th New York Infantry|88th New York]]: Col Henry M. Baker; Maj [[James Quinlan]]

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[William H. French]]
|
*	[[2nd Delaware Volunteer Infantry|2nd Delaware]]: Ltc William P. Bailey; Cpt David L. Stricker
*	[[52nd New York Volunteer Infantry|52nd New York]]: Col Paul Frank
*	[[57th New York Volunteer Infantry|57th New York]]: Col [[Samuel K. Zook]]
*	[[64th New York Volunteer Infantry Regiment|64th New York]]: Col Thomas J. Parker
*	[[66th New York Volunteer Infantry|66th New York]]: Col Joseph C. Pinckney
*	[[53rd Pennsylvania Infantry Regiment|53rd Pennsylvania]]: Col [[John R. Brooke]]

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt George W. Hazzard ('''mw - White Oak Swamp''')
|
*	[[Battery B, 1st New York Light Artillery]]: Cpt [[Rufus D. Pettit]]
*	[[4th U.S. Artillery, Battery A|Battery A, 4th U.S. Artillery:]] Lt [[Rufus King, Jr.]]
*	[[4th U.S. Artillery, Battery C|Battery C, 4th U.S. Artillery]]: Cpt George W. Hazzard ('''mw'''); Lt Edward Field

|-
| rowspan=4 |
Second Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John Sedgwick]] ('''w - Glendale''')
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Alfred Sully]]
|
*	[[15th Massachusetts Infantry Regiment|15th Massachusetts]]: Ltc [[John W. Kimball]]
*	[[1st Minnesota Volunteer Infantry|1st Minnesota]]: Col [[Stephen Miller (Minnesota governor)|Stephen Miller]]
*	[[34th New York Volunteer Infantry Regiment]]: Col James A. Suiter
*	[[82nd New York Volunteer Infantry Regiment]] (Also known as the 2nd Militia); Col Henry W. Hudson
*	[[1st Company Massachusetts Sharpshooters|1st Company, Massachusetts Sharpshooters]]:<ref>Attached to the 15th Massachusetts.</ref> Cpt John Saunders
*	[[2nd Minnesota Sharpshooters Company|2nd Company, Minnesota Sharpshooters]]:<ref>Attached to the 1st Minnesota.</ref> Cpt William F. Russell

|-
| [[Philadelphia Brigade|2nd Brigade]] 
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[William Wallace Burns|William W. Burns]]
|
*	[[69th Pennsylvania Infantry Regiment|69th Pennsylvania]]: Col [[Joshua T. Owen]]
*	[[71st Pennsylvania Infantry Regiment|71st Pennsylvania]]: Ltc William G. Jones
*	[[72nd Pennsylvania Infantry Regiment|72nd Pennsylvania]]: Col [[De Witt C. Baxter]]
*	[[106th Pennsylvania Infantry Regiment|106th Pennsylvania]]: Col [[Turner Gustavus Morehead|Turner G. Morehead]]

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Napoleon J.T. Dana]]
|
*	[[19th Regiment Massachusetts Volunteer Infantry|19th Massachusetts]]: Col [[Edward W. Hinks]] ('''w - Glendale'''); Cpt Edmund Rice; Ltc [[Arthur F. Devereux]]
*	[[20th Regiment Massachusetts Volunteer Infantry|20th Massachusetts]]: Col [[William Raymond Lee]]
*	[[7th Michigan Volunteer Infantry Regiment|7th Michigan]]: Col Ira R. Grosvenor
*	[[42nd New York Volunteer Infantry Regiment|42nd New York]]: Col Edmund C. Charles ('''w&c'''); Ltc James J. Mooney

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Charles Henry Tompkins Sr.|Charles H. Tompkins]]
|
*	[[Battery A, 1st Rhode Island Light Artillery|1st Rhode Island Light, Battery A]]: Cpt [[John Almy Tompkins|John A. Tompkins]]
*	[[1st U.S. Artillery, Battery I|Battery I, 1st U.S. Artillery]]: Lt [[Edmund Kirby (army officer)|Edmund Kirby]]

|-
|
| Artillery Reserve
|
*	[[Battery G, 1st New York Light Artillery]]:<ref>See Artillery Reserve.</ref> Cpt John D. Frank
*	[[Battery B, 1st Rhode Island Light Artillery|1st Rhode Island Light, Battery B]]: Cpt Walter O. Bartlett
*	[[Battery G, 1st Rhode Island Light Artillery|1st Rhode Island Light, Battery G]]: Cpt Charles D. Owen

|-
|
| Cavalry
|
* [[6th New York Cavalry Regiment|6th New York Cavalry]] (Companies D, F, H and K): : Ltc Duncan McVicar
|}

===III Corps===
{{Main|III Corps (Union Army)}}
BG [[Samuel P. Heintzelman]] ('''w - Glendale''')

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
Second Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Joseph Hooker]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Cuvier Grover]]
|
*	[[First Regiment Massachusetts Volunteer Infantry|1st Massachusetts]]: Col [[Robert Cowdin]]
*	[[11th Regiment Massachusetts Volunteer Infantry|11th Massachusetts]]: Col [[William E. Blaisdell]]
*	[[16th Regiment Massachusetts Volunteer Infantry|16th Massachusetts]]: Col Powell T. Wyman ('''k - Glendale'''); Ltc George A. Meacham ('''w'''); Maj Daniel S. Lamson
*	[[2nd New Hampshire Volunteer Infantry|2nd New Hampshire]]: Col [[Gilman Marston]]
*	[[26th Pennsylvania Infantry|26th Pennsylvania]]: Ltc George D. Wells

|-
| [[Excelsior Brigade|2nd Brigade]] 
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Daniel Sickles]]
|
*	[[70th New York Volunteer Infantry Regiment|70th New York Infantry Regiment]]: Maj Thomas Holt
*	[[71st New York Volunteer Infantry Regiment|71st New York Infantry Regiment]]: Col George B. Hall
*	[[72nd New York Volunteer Infantry Regiment|72nd New York Infantry Regiment]]: Col [[Nelson Taylor]]
*	[[73rd New York Volunteer Infantry Regiment|73rd New York Infantry Regiment]]: Cpt Alfred A. Donalds
*	[[74th New York Volunteer Infantry Regiment|74th New York Infantry Regiment]]: Col [[Charles K. Graham]]

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Joseph B. Carr]]
|
*	[[5th New Jersey Volunteer Infantry|5th New Jersey]]: Maj John Ramsey
*	[[6th New Jersey Volunteer Infantry|6th New Jersey]]: Col [[Gershom Mott]]
*	[[7th New Jersey Volunteer Infantry|7th New Jersey]]: Col [[Joseph_Warren_Revere_(general)|Joseph W. Revere]]; Cpt Henry C. Bartlett
*	[[8th New Jersey Volunteer Infantry|8th New Jersey]]: Maj William A. Henry
*	[[2nd New York Volunteer Infantry Regiment|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. Artillery:  Cpt Charles H. Webber

|-
| rowspan=4 |
Third Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Philip Kearny]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John C. Robinson]]
|
*	[[20th Indiana Infantry Regiment|20th Indiana]]: Col William L. Brown
*	[[87th New York Volunteer Infantry|87th New York]]: Ltc Richard A. Bachia
*	[[57th Pennsylvania Infantry|57th Pennsylvania]]: Ltc Elhanon W. Woods
*	[[63rd Pennsylvania Infantry|63rd Pennsylvania]]: Col [[Alexander Hays]]
*	[[105th Pennsylvania Infantry Regiment|105th Pennsylvania]]: Col Amor A. McKnight, Ltc William W. Corbet, Cpt Calvin A. Craig

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[David B. Birney]]
|
*	[[3rd Maine Volunteer Infantry Regiment|3rd Maine]]: Ltc C. A. L. Sampson, Maj Edwin Burt
*	[[4th Maine Volunteer Infantry Regiment|4th Maine]]: Col Elijah Walker
*	[[38th New York Infantry Regiment|38th New York]]: Col [[J. H. Hobart Ward]]
*	[[40th New York Volunteer Infantry Regiment|40th New York]]: Ltc [[Thomas W. Egan]]
*	[[101st New York Volunteer Infantry|101st New York]]: Col Enrico Fardella

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Hiram G. Berry]]
|
*	[[2nd Michigan Volunteer Infantry Regiment|2nd Michigan]]: Maj Louis Dillman, Cpt William Humphrey
*	[[3rd Michigan Volunteer Infantry Regiment|3rd Michigan]]: Ltc Ambrose A. Stevens, Maj [[Byron R. Pierce]]
*	[[5th Michigan Volunteer Infantry Regiment|5th Michigan]]: Maj John D. Fairbanks ('''mw - Glendale'''), Cpt Judson S. Farrer
*	[[1st New York Volunteer Infantry Regiment|1st New York]]: Col Garrett Dyckman
*	[[37th New York Volunteer Infantry Regiment|37th New York]]: Col Samuel B. Hayman

|-
| Artillery
|
*	[[Battery E, 1st Rhode Island Light Artillery|1st Rhode Island Light, Battery E]]: Cpt George E. Randolph
*	[[2nd U.S. Artillery, Battery G|Battery G, 2nd U.S. Artillery]]: Cpt James Thompson

|-
|
| Artillery Reserve
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt [[Gustavus De Russy|Gustavus A. De Russy]]
|
*	6th New York Light Artillery: Cpt Walter M. Bramhall
*	[[Battery B, 1st New Jersey Light Artillery|New Jersey Light, 2nd Battery]]: Cpt John E. Beam ('''k - Malvern Hill'''), Lt John B. Monroe
*	[[4th U.S. Artillery, Battery K|Battery K, 4th U.S. Artillery]]: Lt Francis W. Seeley

|-
|
| Cavalry
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[William W. Averell]]
|
*	[[3rd Pennsylvania Cavalry]]: Col [[William W. Averell]]
|}

===IV Corps===
{{Main|IV Corps (Union Army)}}
BG [[Erasmus D. Keyes]]

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
First Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Darius N. Couch]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Albion P. Howe]]
|
*	[[55th New York Volunteer Infantry|55th New York]]: Ltc Louis Thourot
*	[[62nd New York Volunteer Infantry Regiment|62nd New York]]: Col [[David J. Nevin]]
*	[[93rd Pennsylvania Infantry|93rd Pennsylvania]]: Cpt John S. Long
*	[[98th Pennsylvania Infantry|98th Pennsylvania]]: Col John F. Ballier
*	[[102nd Pennsylvania Infantry|102nd Pennsylvania]]: Col [[Thomas Algeo Rowley]]

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John J. Abercrombie]]
|
*	[[65th New York Volunteer Infantry|65th New York]]: Ltc [[Alexander Shaler]]
*	[[67th New York Infantry|67th New York]]: Ltc Nelson Cross
*	[[23rd Pennsylvania Infantry Regiment|23rd Pennsylvania]]: Col [[Thomas H. Neill]] ('''w - Malvern Hill''')
*	[[82nd Pennsylvania Infantry|31st Pennsylvania]]: Col [[David H. Williams]]
*	[[61st Pennsylvania Infantry|61st Pennsylvania]]: Ltc Frank Vallee

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Innis N. Palmer]]
|
*	[[7th Regiment Massachusetts Volunteer Infantry|7th Massachusetts]]: Col [[David Allen Russell|David A. Russell]]
*	[[10th Regiment Massachusetts Volunteer Infantry|10th Massachusetts]]: Maj Ozro Miller ('''mw - Malvern Hill'''); Cpt Frederick Barton
*	[[36th New York Infantry|36th New York]]: Maj James A. Raney
*	[[2nd Rhode Island Infantry|2nd Rhode Island]]: Col [[Frank Wheaton]]

|-
| Artillery
|
*	[[Battery C, 1st Pennsylvania Light Artillery]]: Cpt Jeremiah McCarthy
*	[[Battery D, 1st Pennsylvania Light Artillery]]: Cpt Edward H. Flood

|-
| rowspan=3 |
Second Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John J. Peck]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Henry Morris Naglee|Henry M. Naglee]]
|
*	[[11th Maine Volunteer Infantry Regiment|11th Maine]]: Col [[Harris M. Plaisted]]
*	[[56th New York Volunteer Infantry|56th New York]]: Col [[Charles H. Van Wyck]]
*	[[100th New York Volunteer Infantry|100th New York]]: Ltc Phineas Staunton
*	[[52nd Pennsylvania Infantry Regiment|52nd Pennsylvania]]: Ltc [[Henry M. Hoyt]]
*	104th Pennsylvania: Ltc John W. Nields

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Henry W. Wessells]]
|
*	[[81st New York Volunteer Infantry|81st New York]]: Col Edwin Rose
*	[[85th New York Volunteer Infantry|85th New York]]: Col Jonathan S. Belknap
*	[[92nd New York Volunteer Infantry|92nd New York]]: Ltc Hiram Anderson, Jr.
*	[[96th New York Volunteer Infantry|96th New York]]: Col [[James Fairman]]
*	[[98th New York Volunteer Infantry Regiment|98th New York]]: Ltc Charles Durkee
*	[[85th Pennsylvania Infantry|85th Pennsylvania]]: Col [[Joshua B. Howell]]
*	101st Pennsylvania: Cpt Charles W. May
*	103rd Pennsylvania: Col Theodore F. Lehmann

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

|-
|
| Artillery Reserve
<br>&nbsp;&nbsp;&nbsp;&nbsp;
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. Artillery: Cpt James McKnight

|-
|
| Cavalry
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[David McMurtrie Gregg|David M. Gregg]]
|
*	[[8th Pennsylvania Cavalry]]: Col David M. Gregg 
|}

===V Corps===
{{Main|V Corps (Union Army)}}
BG [[Fitz John Porter|Fitz J. Porter]]

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=5 |
First Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[George W. Morell]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John H. Martindale]]
|
*	[[2nd Maine Volunteer Infantry Regiment|2nd Maine]]: Col [[Charles W. Roberts]]
*	[[18th Regiment Massachusetts Volunteer Infantry|18th Massachusetts]]:<ref name=Stoneman>Detached with Stoneman's Command.</ref> Col [[James Barnes (general)|James Barnes]]
*	[[22nd Regiment Massachusetts Volunteer Infantry|22nd Massachusetts]]: Col [[Jesse Gove|Jesse A. Gove]] ('''k - Gaines' Mill'''), Maj [[William S. Tilton]] ('''w&c - Gaines' Mill'''), Cpt Walter S. Sampson, Cpt D. K. Wardwell
*	[[1st Michigan Volunteer Infantry Regiment (3 years)|1st Michigan]]: Col Horace S. Roberts
*	[[13th New York Volunteer Infantry|13th New York]]: Col [[Elisha Marshall|Elisha G. Marshall]], Maj Francis A. Schoeffel
*	[[25th New York Volunteer Infantry Regiment|25th New York]]: Maj Edwin S. Gilbert ('''c'''), Cpt Shepard Gleason
*	[[2nd Company Massachusetts Sharpshooters|2nd Company, Massachusetts Sharpshooters]]: Lt Charles D. Stiles

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Charles Griffin]]
|
*	[[9th Regiment Massachusetts Volunteer Infantry|9th Massachusetts]]: Col [[Thomas_Cass_(colonel)|Thomas Cass]] ('''mw - Malvern Hill'''); Ltc [[Patrick_Robert_Guiney|Patrick R. Guiney]]
*	[[4th Michigan Volunteer Infantry Regiment|4th Michigan]]: Col Dwight A. Woodbury ('''k - Malvern Hill'''), Ltc Jonathan W. Childs ('''w'''), Cpt John M. Randolph
*	[[14th New York Volunteer Infantry Regiment|14th New York]]: Col James McQuade
*	[[62nd Pennsylvania Infantry|62nd Pennsylvania]]: Col [[Samuel W. Black]] ('''k - Gaines' Mill'''); Ltc [[Jacob B. Sweitzer]] ('''w&c - Gaines' Mill'''), Cpt James Hull

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Daniel Butterfield]]
|
*	[[12th New York Volunteer Infantry|12th New York]]: Ltc Robert M. Richardson
*	[[17th New York Volunteer Infantry|17th New York]]:<ref name=Stoneman/> Col [[Henry S. Lansing]]
*	[[44th New York Volunteer Infantry Regiment|44th New York]]: Ltc [[James Clay Rice|James C. Rice]]
*	[[16th Michigan Volunteer Infantry Regiment|16th Michigan]]: Col [[T.B.W. Stockton]] ('''c - Gaines' Mill'''), Ltc John V. Ruele
*	[[83rd Pennsylvania Infantry Regiment|83rd Pennsylvania]]: Col John W. McLane ('''k'''), Cpt Hugh S. Campbell ('''w''')
*	[[Michigan Sharpshooter Units of the American Civil War#Brady.27s Independent Company Michigan Volunteer Sharpshooters|Brady's Company Michigan Sharpshooters]]:<ref>Attached to the 16th Michigan.</ref> Cpt Kin S. Dygert

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt William B. Weeden
|
*	[[3rd Massachusetts Light Artillery]]: Cpt [[Augustus Pearl Martin]]
*	5th Massachusetts Light Artillery: Lt John B. Hyde
*	[[Battery C, 1st Rhode Island Light Artillery|1st Rhode Island Light, Battery C]]: Lt Richard Waterman
*	[[5th U.S. Artillery, Battery D|Battery D, 5th U.S. Artillery]]: Lt Henry W. Kingsbury

|-
| Sharpshooters
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Hiram Berdan]] 
|
*	[[1st United States Sharpshooters|1st U.S. Sharpshooter Regiment]]: Col [[Hiram Berdan]]
|-
| rowspan=4|
Second Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[George Sykes]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Ltc [[Robert C. Buchanan]]
|
*	[[3rd Infantry Regiment (United States)|3rd United States]]: Maj Nathan B. Rossell ('''k - Gaines' Mill'''), Cpt Thomas W. Walker, Cpt John D. Wilkins
*	[[4th Infantry Regiment (United States)|4th United States]]: Maj Delozier Davidson ('''c'''), Cpt Joseph B. Collins
*	[[12th Infantry Regiment (United States)|12th United States]]: Maj [[Henry B. Clitz]] ('''w&c - Gaines' Mill'''); Cpt John G. Read, Cpt Matthew M. Blunt
*	[[14th Infantry Regiment (United States)|14th United States]]: Cpt John D. O'Connell

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Ltc William Chapman
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Maj [[Charles S. Lovell]]
|
*	[[2nd Infantry Regiment (United States)|2nd United States]]: Cpt Adolphus F. Bond, Lt [[John S. Poland]]
*	[[6th Infantry Regiment (United States)|6th United States]]: Cpt Thomas Hendrickson
*	[[10th Infantry Regiment (United States)|10th United States]]: Maj Charles S. Lovell; Maj George L. Andrews
*	[[11th Infantry Regiment (United States)|11th United States]]: Maj [[DeLancey Floyd-Jones]]
*	[[17th Infantry Regiment (United States)|17th United States]]: Maj [[George Lippitt Andrews|George L. Andrews]]

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Gouverneur K. Warren]] '''(w - Gaines' Mill)'''
|
*	[[5th New York Volunteer Infantry|5th New York]]: Ltc Hiram Duryee
*	[[10th New York Infantry|10th New York]]: Col [[John E. Bendix]]

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt [[Stephen H. Weed]]
|
*	Battery L and M, 3rd U.S. Artillery: Cpt John Edwards
*	[[5th U.S. Artillery, Battery I|Battery I, 5th U.S. Artillery]]: Cpt [[Stephen H. Weed]]

|-
| rowspan=5 |
Third Division ([[Pennsylvania Reserves]])

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[George A. McCall]] ('''c - Frayser's Farm''')
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Truman Seymour]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John F. Reynolds]] ('''c - Gaines' Mill''')
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col Seneca G. Simmons ('''k - Glendale''')<ref>Killed in action at the [[Battle of Glendale]]</ref>
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Richard Biddle Roberts]]
|
*	[[1st Pennsylvania Reserve Regiment|1st Pennsylvania Reserves]]: Col [[Richard Biddle Roberts]], Maj [[Lemuel Todd]]
*	[[2nd Pennsylvania Reserve Regiment|2nd Pennsylvania Reserves]]: Ltc [[William McCandless]]
*	[[5th Pennsylvania Reserve Regiment|5th Pennsylvania Reserves]]: Col Seneca G. Simmons; Ltc [[Joseph W. Fisher]]
*	[[8th Pennsylvania Reserve Regiment|8th Pennsylvania Reserves]]: Col George S. Hays
*	[[13th Pennsylvania Reserve Regiment|13th Pennsylvania Reserves]] (Companies A, B, D, E, F, & K): Maj [[Roy Stone (general)|Roy Stone]]

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[George G. Meade]] ('''w - Glendale''')
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Albert L. Magilton]]
|
*	[[3rd Pennsylvania Reserve Regiment|3rd Pennsylvania Reserves]]: Col [[Horatio G. Sickel]]
*	[[4th Pennsylvania Reserve Regiment|4th Pennsylvania Reserves]]: Col Albert L. Magilton
*	[[7th Pennsylvania Reserve Regiment|7th Pennsylvania Reserves]]: Col Elisha B. Harvey
*	[[11th Pennsylvania Reserve Regiment|11th Pennsylvania Reserves]]: Col Thomas F. Gallagher ('''c - Gaines' Mill'''), Cpt Daniel S. Porter

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Truman Seymour]]
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Conrad Feger Jackson]]
|
*	[[6th Pennsylvania Reserve Regiment|6th Pennsylvania Reserves]]:<ref name=Casey>Detached with Casey's Command.</ref> --
*	[[9th Pennsylvania Reserve Regiment|9th Pennsylvania Reserves]]: Col [[Conrad Feger Jackson]], Cpt John Cuthbertson ('''w''')
*	[[10th Pennsylvania Reserve Regiment|10th Pennsylvania Reserves]]: Col [[James T. Kirk (Union officer)|James T. Kirk]]
*	[[12th Pennsylvania Reserve Regiment|12th Pennsylvania Reserves]]: Col John H. Taggart

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt Henry V. De Hart ('''mw - Gaines' Mill''')
|
*	[[Battery A, 1st Pennsylvania Light Artillery|Battery A, 1st Pennsylvania Artillery]]: Cpt Hezekiah Easton ('''k - Gaines' Mill'''), Lt Jacob L. Detrich, Lt John G. Simpson
*	[[Battery B, 1st Pennsylvania Light Artillery|Battery B, 1st Pennsylvania Artillery]]: Cpt James H. Cooper
*	Battery G, 1st Pennsylvania Artillery: Cpt Mark Kerns ('''w'''), Lt Frank P. Amsden
*	[[5th U.S. Artillery, Battery C|Battery C, 5th U.S. Artillery]]: Cpt Henry V. De Hart ('''mw'''), Lt Eben G. Scott

|-
| Cavalry
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col James H. Childs
|
*	[[4th Pennsylvania Cavalry Regiment|4th Pennsylvania Cavalry]]: Col James H. Childs
|-
|
| Cavalry
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[John F. Farnsworth]]
|
*	[[8th Illinois Cavalry Regiment|8th Illinois Cavalry]]: Col [[John F. Farnsworth]]
|}

===VI Corps===
{{Main|VI Corps (Union Army)}}
BG [[William B. Franklin]]

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=4 |
First Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Henry Warner Slocum|Henry W. Slocum]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[George W. Taylor (general)|George W. Taylor]]
|
*	[[1st New Jersey Volunteer Infantry|1st New Jersey]]: Ltc Robert McAllister, Col [[Alfred Thomas Archimedes Torbert|A.T.A. Torbert]]
*	[[2nd New Jersey Volunteer Infantry|2nd New Jersey]]: Col Isaac M. Tucker ('''k - Gaines' Mill'''), Maj Henry O. Ryerson ('''w - Gaines' Mill'''), Ltc Samuel L. Buck
*	[[3rd New Jersey Volunteer Infantry|3rd New Jersey]]: Col Henry W. Brown
*	[[4th New Jersey Volunteer Infantry|4th New Jersey]]: Col [[James H. Simpson]] ('''c - Gaines' Mill'''), Ltc William B. Hatch

|-
| 2nd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Joseph J. Bartlett]]
|
*	[[5th Maine Volunteer Infantry Regiment|5th Maine]]: Col [[Nathaniel J. Jackson]] ('''w - Gaines' Mill'''), Ltc William S. Heath ('''k - Gaines' Mill'''), Cpt Clark S. Edwards
*	[[16th New York Volunteer Infantry Regiment|16th New York]]: Col [[Joseph Howland]] ('''w - Gaines' Mill'''), Maj Joel J. Seaver
*	[[27th New York Volunteer Infantry Regiment|27th New York]]: Ltc Alexander D. Adams
*	[[96th Pennsylvania Infantry Regiment|96th Pennsylvania]]: Col [[Henry L. Cake]]

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John Newton (engineer)|John Newton]]
|
*	[[18th New York Volunteer Infantry|18th New York]]: Ltc George R. Myers, Maj John C. Meginnis
*	[[31st New York Infantry|31st New York]]: Col [[Calvin E. Pratt]] ('''w - Gaines' Mill'''), Maj Alexander Raszewski
*	[[32nd Regiment of New York Volunteers|32nd New York]]: Col [[Roderick N. Matheson|Roderick Matheson]]
*	[[95th Pennsylvania Infantry Regiment|95th Pennsylvania]]: Col John M. Gosline ('''mw - Gaines' Mill'''), Ltc Gustavus W. Town

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt Edward R. Platt
|
*	1st Massachusetts Light Artillery: Cpt Josiah Porter
*	[[Battery A, 1st New Jersey Light Artillery]]: Cpt [[William Hexamer]]
*	Battery D, 2nd U.S. Artillery: Lt [[Emory Upton]]

|-
| rowspan=5|
Second Division

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[William Farrar Smith|William F. Smith]]
| 1st Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Winfield S. Hancock]]
|
*	[[6th Maine Volunteer Infantry Regiment|6th Maine]]: Col [[Hiram Burnham]]
*	[[43rd New York Volunteer Infantry Regiment|43rd New York]]: Col [[Francis L. Vinton]]
*	[[49th Pennsylvania Infantry|49th Pennsylvania]]: Col William H. Irwin
*	[[5th Wisconsin Volunteer Infantry Regiment|5th Wisconsin]]: Col [[Amasa Cobb]]

|-
| [[1st Vermont Brigade|2nd Brigade]] 
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[William T. H. Brooks]] ('''w - Savage's Station''')
|
*	[[2nd Vermont Infantry|2nd Vermont]]: Col Henry Whiting
*	[[3rd Vermont Infantry|3rd Vermont]]: Ltc [[Wheelock G. Veazey]]
*	[[4th Vermont Infantry|4th Vermont]]: Col [[Edwin H. Stoughton]]
*	[[5th Vermont Infantry|5th Vermont]]: Ltc [[Lewis A. Grant]]
*	[[6th Vermont Infantry|6th Vermont]]: Col Nathan Lord, Jr.

|-
| 3rd Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[John Davidson (general)|John W. Davidson]]
|
*	[[7th Maine Volunteer Infantry Regiment|7th Maine]]: Col Edwin C. Mason
*	[[20th New York Volunteer Infantry Regiment|20th New York]]: Col Francis Weiss
*	[[33rd New York Volunteer Infantry Regiment|33rd New York]]: Col Robert F. Taylor
*	[[49th New York Volunteer Infantry|49th New York]]: Col [[Daniel D. Bidwell]]
*	[[77th New York Volunteer Infantry|77th New York]]: Col [[James B. McKean]]

|-
| Artillery
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt [[Romeyn B. Ayres]]
|
*	Battery E, 1st New York Light Artillery: Cpt Charles C. Wheeler
*	1st New York Light Artillery: Cpt [[Andrew Cowan (soldier)|Andrew Cowan]]
*	[[3rd New York Independent Light Artillery|3rd New York Light Artillery]]: Cpt [[Thaddeus P. Mott]]
*	Battery F, 5th U.S. Artillery: Cpt Romeyn B. Ayres

|-
| Cavalry
|
* [[5th Pennsylvania Cavalry]] (Companies I & K): Cpt John O'Farrell
|-
|
| Cavalry
|
*	[[1st Regiment New York Volunteer Cavalry|1st New York Cavalry]]: Col [[Andrew T. McReynolds]]
|}

===Artillery Reserve===
Col [[Henry Jackson Hunt|Henry J. Hunt]]

{| class="wikitable"
! width=25% | Brigade
! Batteries
|-
|First Brigade ([[U.S. Horse Artillery Brigade|Horse Artillery]])
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Ltc [[William Hays (general)|William Hays]]
|
*	[[Battery A, 2nd U.S. Artillery]]: Cpt [[John C. Tidball]]
*	Battery B and L, 2nd U.S. Artillery: Cpt [[James Madison Robertson|James M. Robertson]]
*	Battery M, 2nd U.S. Artillery: Cpt [[Henry Benson (soldier)|Henry Benson]]
*	Battery C and G, 3rd U.S. Artillery:<ref name=Casey/> Cpt [[Horatio Gates Gibson|Horatio G. Gibson]]

|-
|Second Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Ltc [[George W. Getty]]
|
*	Battery [[1st U.S. Artillery, Battery E|E]] and [[1st U.S. Artillery, Battery G|G]], 1st U.S. Artillery: Lt [[Alanson Merwin Randol|Alanson M. Randol]]
*	[[1st U.S. Artillery, Battery K|Battery K, 1st U.S. Artillery]]: Lt [[Samuel Sherer Elder|Samuel S. Elder]]
*	[[4th U.S. Artillery, Battery G|Battery G, 4th U.S. Artillery]]: Lt Charles M. Morgan
*	[[5th U.S. Artillery, Battery A|Battery A, 5th U.S. Artillery]]: Lt [[Adelbert Ames]]
*	[[5th U.S. Artillery, Battery K|Battery K, 5th U.S. Artillery]]: Cpt John R. Smead

|-
|Third Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Maj Albert Arndt
|
*	Battery A, [[1st Battalion New York Volunteer Light Artillery|1st Battalion, New York Volunteer Light Artillery]]: Cpt Otto Diederichs
*	Battery B, 1st Battalion, New York Volunteer Light Artillery: Cpt Adolph Voegelee
*	Battery C, 1st Battalion, New York Volunteer Light Artillery: Cpt John Knieriem
*	Battery D, 1st Battalion, New York Volunteer Light Artillery: Cpt Edward Grimm<ref>{{Cite book|last=Phisterer|first=Frederick|url=https://books.google.com/books?id=ORlEAQAAMAAJ&pg=PA160|title=New York in the War of Rebellion, 1861-1865|publisher=J.B. Lyon Company|year=1912|location=Albany|pages=160|language=en}}</ref>

|-
|Fourth Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Maj Edward R. Petherbridge
|
*	[[Battery A, Maryland Light Artillery]]: Cpt John W. Wolcott
*	Battery B, Maryland Light Artillery: Cpt Alonzo Snow

|-
|Fifth Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Cpt J. Howard Carlisle
|
*	[[2nd U.S. Artillery, Battery E|Battery E, 2nd U.S. Artillery]]: Cpt J. Howard Carlisle
*	Battery F and K, 3rd U.S. Artillery: Cpt La Rhett L. Livingston

|-
|Unattached Sixth Brigade
|
*	Battery G, 1st New York Light Artillery:<ref>Temporarily assigned July 1 from Second Corps.</ref> Cpt John D. Frank
*	[[5th New York Independent Light Artillery|New York Light, 5th Battery]]:<ref>Not mounted, officers an men served with other batteries.</ref> Cpt [[Elijah D. Taft]]

|-
|Siege Train
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Robert O. Tyler]]
|
* [[1st Connecticut Heavy Artillery]]: Col Robert O. Tyler
|}

===Cavalry Reserve===

{| class="wikitable"
! width=25% | Division
! width=25% | Brigade
! Regiments and Others
|-
| rowspan=3 |
Cavalry Reserve

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Philip St. George Cooke]]
|-
|First Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[Richard H. Rush]]
|
*	[[6th Pennsylvania Cavalry]]: Col Richard H. Rush
*	[[5th Cavalry Regiment (United States)|5th United States Cavalry]] (Companies A, D, H, & L): Cpt [[Charles J. Whiting]] ('''w&c'''), Cpt Joseph H. McArthur

|-
|Second  Brigade
<br>&nbsp;&nbsp;&nbsp;&nbsp;
Col [[George A. H. Blake]] ('''w - Gaines' Mill''')
|
*	[[1st Cavalry Regiment (United States)|1st United States Cavalry]] (Companies A, C, F, & H): Ltc William N. Grier
*	[[6th Cavalry Regiment (United States)|6th United States Cavalry]]:<ref name=Stoneman/> Cpt [[August Kautz]]

|}

===Casey's Command===

{| class="wikitable"
! width=50% | Brigade
! Regiments and Others
|-
| rowspan=1 |
Casey's Command (at White House Landing)

<br>&nbsp;&nbsp;&nbsp;&nbsp;
BG [[Silas Casey]] ('''w''')
|
*	[[11th Pennsylvania Cavalry Regiment|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 Volunteer Infantry|93rd New York]] (Companies B, C, D, E, G, & L): Col Thomas F. Morris

|}

==Notes==
{{reflist|colwidth=30em}}

==References==
*U.S. War Department, [http://cdl.library.cornell.edu/moa/browse.monographs/waro.html ''The War of the Rebellion'']: ''a Compilation of the [[Official Records of the American Civil War|Official Records]] of the Union and Confederate Armies'', U.S. Government Printing Office, 1880&ndash;1901.

{{DEFAULTSORT:Seven Days Union Order Of Battle}}
[[Category:American Civil War orders of battle]]