Battle of Cold Harbor order of battle: Union explained

The following Union Army units and commanders fought in the Battle of Cold Harbor (May 31–June 12, 1864) of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization May 31, 1864,^[1] army organization May 26-June 3, 1864,^[2] the casualty returns^[3] and the reports.^{[4] [5]}

Abbreviations used

Military Rank

• LTG = Lieutenant General
• MG = Major General
• BG = Brigadier General
• Col = Colonel
• Ltc = Lieutenant Colonel
• Maj = Major
• Cpt = Captain

Other

• w = wounded
• mw = mortally wounded
• k = killed in action
• c = captured

Forces operating against Richmond May 31-June 5, 1864

LTG Ulysses S. Grant

Escort:

• 5th United States Cavalry, Companies B, F and K

Army of the Potomac

See main article: Army of the Potomac. MG George Meade

General Staff:

• Chief of Staff: MG Andrew A. Humphreys
• Assistant Adjutant General: BG Seth Williams
• Chief Quartermaster: BG Rufus Ingalls

General Headquarters:

Provost Guard: BG Marsena R. Patrick

• 1st Massachusetts Cavalry, Companies C and D
• 80th New York (20th Militia)
• 3rd Pennsylvania Cavalry
• 68th Pennsylvania
• 114th Pennsylvania

Engineer Troops:^[6]

• 50th New York Engineers
• Battalion United States Engineers

Guards and Orderlies:

• Independent Company Oneida (New York) Cavalry

Unattached:

• 22nd New York Cavalry^[7]

II Corps

See main article: II Corps (Union Army). MG Winfield S. Hancock

Escort:

• 1st Vermont Cavalry, Company M

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Francis C. Barlow	1st Brigade   Col Nelson A. Miles	26th Michigan 5th New Hampshire^[8] 2nd New York Heavy Artillery 61st New York 81st Pennsylvania 140th Pennsylvania 183rd Pennsylvania
	2nd Brigade   Col Richard Byrnes (mw)   Col Patrick Kelly	28th Massachusetts 63rd New York 69th New York 88th New York: Col Patrick Kelly 116th Pennsylvania
	3rd Brigade   Col Clinton D. MacDougall	39th New York 52nd New York^[9] 57th New York^[10] 111th New York 125th New York 126th New York
	4th Brigade   Col John R. Brooke (w)   Col Orlando H. Morris (k)   Col Lewis O. Morris (k)   Col James A. Beaver	2nd Delaware 7th New York Heavy Artillery: Col Lewis O. Morris 64th New York 66th New York: Col Orlando H. Morris 53rd Pennsylvania 145th Pennsylvania 148th Pennsylvania: Col James A. Beaver
Second Division     BG John Gibbon	1st Brigade   Col H. Boyd McKeen (k)   Col Frank A. Haskell (k)   BG Byron R. Pierce^[11]	19th Maine 15th Massachusetts 19th Massachusetts 20th Massachusetts 1st Company Massachusetts Sharpshooters 7th Michigan 42nd New York 59th New York 82nd New York (battalion) 184th Pennsylvania 36th Wisconsin: Col Frank A. Haskell
	2nd Brigade   BG Joshua T. Owen	152nd New York 69th Pennsylvania 71st Pennsylvania 72nd Pennsylvania 106th Pennsylvania
	3rd Brigade   Col Thomas A. Smyth	14th Connecticut 1st Delaware 14th Indiana 12th New Jersey 10th New York Battalion 108th New York 4th Ohio 8th Ohio 7th West Virginia
	4th Brigade   BG Robert O. Tyler (w)   Col James P. McIvor	8th New York Heavy Artillery 155th New York 164th New York 170th New York: Col James P. McIvor 182nd New York
	Provost Guard	2nd Company Minnesota Sharpshooters
Third Division     MG David B. Birney	1st Brigade   Col Thomas W. Egan	20th Indiana 3rd Maine 40th New York 86th New York 124th New York 99th Pennsylvania 110th Pennsylvania 141st Pennsylvania 2nd United States Sharpshooters
	2nd Brigade   Col Thomas R. Tannatt	4th Maine 17th Maine^[12] 1st Massachusetts Heavy Artillery 3rd Michigan 5th Michigan 93rd New York 57th Pennsylvania 63rd Pennsylvania 105th Pennsylvania 1st United States Sharpshooters
	3rd Brigade   BG Gershom Mott	1st Maine Heavy Artillery 16th Massachusetts 5th New Jersey 6th New Jersey 7th New Jersey 8th New Jersey 11th New Jersey 115th Pennsylvania
	4th Brigade   Col William R. Brewster	11th Massachusetts 70th New York 71st New York 72nd New York^[13] (3 Companies) 73rd New York 74th New York 120th New York 84th Pennsylvania
	Artillery Brigade   Col John C. Tidball	Maine Light, 6th Battery (F) Massachusetts Light, 10th Battery New Hampshire Light, 1st Battery 1st New Jersey Light, Battery B 1st New York Light, Battery G 4th New York Heavy^[14] New York Light, 11th Battery New York Light, 12th Battery 1st Pennsylvania Light, Battery F 1st Rhode Island Light, Battery A 1st Rhode Island Light, Battery B 4th United States, Battery K 5th United States, Batteries C and I

V Corps

See main article: V Corps (Union Army). MG Gouverneur K. Warren

Provost Guard:

• 12th New York Battalion^[15]

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Charles Griffin	1st Brigade   BG Romeyn B. Ayres	5th New York 140th New York 146th New York 91st Pennsylvania 155th Pennsylvania 2nd United States, Companies B, C, F, H, I, and K 11th United States, Companies B, C, D, E, F, and G, 1st Battalion 12th United States, Companies A, B, C, D, and G, 1st Battalion, and Companies A, C, D, F, and H, 2nd Battalion 14th United States, 1st Battalion 17th United States, Companies A, C, D, G, and H, 1st Battalion, and Companies A, B, and C, 2nd Battalion
	2nd Brigade   Col Jacob B. Sweitzer	9th Massachusetts 22nd Massachusetts^[16] 32nd Massachusetts 4th Michigan 62nd Pennsylvania 21st Pennsylvania Cavalry^[17] (Dismounted)
	3rd Brigade   BG Joseph J. Bartlett	20th Maine 18th Massachusetts 29th Massachusetts^[18] 1st Michigan 16th Michigan^[19] 44th New York 83rd Pennsylvania 118th Pennsylvania
Second Division     BG Henry H. Lockwood^[20]     BG Samuel W. Crawford^[21]	1st Brigade   Col Peter Lyle	16th Maine 13th Massachusetts 39th Massachusetts 94th New York 104th New York 90th Pennsylvania 107th Pennsylvania
	2nd Brigade   Col James L. Bates	12th Massachusetts 83rd New York 97th New York 11th Pennsylvania 88th Pennsylvania
	3rd Brigade   Col Nathan D. Dushane	1st Maryland 4th Maryland 7th Maryland 8th Maryland Purnell (Maryland) Legion
Third Division     BG Samuel W. Crawford	1st Brigade   Col Martin Davis Hardin	1st Pennsylvania Reserves^[22] 2nd Pennsylvania Reserves 6th Pennsylvania Reserves 7th Pennsylvania Reserves^[23] 13th Pennsylvania Reserves
	3rd Brigade   Col Joseph W. Fisher	5th Pennsylvania Reserves 10th Pennsylvania Reserves 12th Pennsylvania Reserves
	Heavy Artillery Brigade^[24]   Col J. Howard Kitching	6th New York Heavy Artillery 15th New York Heavy Artillery, 1st and 3rd Battalions
Fourth Division     BG Lysander Cutler	1st Brigade   Col William W. Robinson	7th Indiana 19th Indiana 24th Michigan 1st Battalion New York Sharpshooters 6th Wisconsin 7th Wisconsin
	2nd Brigade   Col J. William Hofmann	3rd Delaware 4th Delaware 46th New York^[25] 76th New York 95th New York 147th New York 56th Pennsylvania 157th Pennsylvania
	3rd Brigade   Col Edward S. Bragg	121st Pennsylvania 142nd Pennsylvania 143rd Pennsylvania 149th Pennsylvania 150th Pennsylvania
	Provost Guard	2nd Wisconsin
	Artillery Brigade   Col Charles S. Wainwright	Massachusetts Light, 3rd Battery Massachusetts Light, 5th Battery Massachusetts Light, 9th Battery 1st New York Light, Battery B 1st New York Light, Battery C 1st New York Light, Battery D 1st New York Light, Batteries E and L 1st New York Light, Battery H New York Light, 15th Battery 1st Pennsylvania Light, Battery B 4th United States, Battery B 5th United States, Battery D

VI Corps

See main article: VI Corps (Union Army). MG Horatio G. Wright

Escort:

• 8th Pennsylvania Cavalry, Company A

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG David A. Russell	1st Brigade   Col William H. Penrose	1st New Jersey^[26] 3rd New Jersey 4th New Jersey 10th New Jersey 15th New Jersey
	2nd Brigade   BG Emory Upton	2nd Connecticut Heavy Artillery 5th Maine 121st New York 95th Pennsylvania 96th Pennsylvania
	3rd Brigade   BG Henry L. Eustis	6th Maine 49th Pennsylvania 119th Pennsylvania 5th Wisconsin
	4th Brigade   Col Nelson Cross	65th New York 67th New York 122nd New York 23rd Pennsylvania 82nd Pennsylvania
Second Division     BG Thomas H. Neill	1st Brigade   BG Frank Wheaton	62nd New York 93rd Pennsylvania 98th Pennsylvania 102nd Pennsylvania 139th Pennsylvania
	2nd Brigade   BG Lewis A. Grant	1st Vermont Heavy Artillery 2nd Vermont 3rd Vermont 4th Vermont 5th Vermont 6th Vermont
	3rd Brigade   Col Daniel D. Bidwell	7th Maine 43rd New York 49th New York 77th New York 61st Pennsylvania
	4th Brigade   Col Oliver Edwards	7th Massachusetts 10th Massachusetts 37th Massachusetts 2nd Rhode Island
Third Division     BG James B. Ricketts	1st Brigade   Col William S. Truex (w)   Ltc Caldwell K. Hall   Col John W. Schall^[27] (w)   Ltc Caldwell K. Hall	14th New Jersey: Ltc Caldwell K. Hall 106th New York 151st New York 87th Pennsylvania 10th Vermont
	2nd Brigade   Col Benjamin F. Smith	6th Maryland 9th New York Heavy Artillery, 1st and 3rd Battalions 110th Ohio 122nd Ohio 126th Ohio 67th Pennsylvania 138th Pennsylvania
	Artillery Brigade   Col Charles H. Tompkins	Maine Light, 4th Battery (D) Maine Light, 5th Battery (E) Massachusetts Light, 1st Battery (A) 1st New Jersey Light, Battery A New York Light, 1st Battery New York Light, 3rd Battery 9th New York Heavy, 2nd Battalion 1st Ohio Light, Battery H 1st Rhode Island Light, Battery C 1st Rhode Island Light, Battery E 1st Rhode Island Light, Battery G 5th United States, Battery E 5th United States, Battery M

IX Corps

See main article: IX Corps (Union Army). MG Ambrose E. Burnside

General Staff:

• Chief of Staff: MG John G. Parke
• Chief of Artillery: Ltc J. Albert Monroe

Provost Guard:

• 8th United States

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     MG Thomas L. Crittenden	1st Brigade   BG James H. Ledlie	56th Massachusetts 57th Massachusetts 59th Massachusetts 4th United States 10th United States
	2nd Brigade   Ltc Gilbert P. Robinson   Col Joseph M. Sudsburg^[28]   Col Ebenezer W. Peirce	3rd Maryland 21st Massachusetts 100th Pennsylvania
	Provisional Brigade   Col Elisha G. Marshall	2nd New York Mounted Rifles (dismounted) 14th New York Heavy Artillery 24th New York Cavalry (dismounted) 2nd Pennsylvania Provisional Heavy Artillery
	Acting Engineers	35th Massachusetts
	Artillery	Maine Light, 2nd Battery (B) Massachusetts Light, 14th Battery
Second Division     BG Robert B. Potter	1st Brigade   Col John I. Curtin	36th Massachusetts 58th Massachusetts 45th Pennsylvania 48th Pennsylvania 7th Rhode Island
	2nd Brigade   Col Simon G. Griffin	2nd Maryland (detachment) 31st Maine 32nd Maine 6th New Hampshire 9th New Hampshire 11th New Hampshire 17th Vermont
	Acting Engineers	51st New York
	Artillery	Massachusetts Light, 11th Battery New York Light, 19th Battery
Third Division     BG Orlando B. Willcox	1st Brigade   Col John F. Hartranft	2nd Michigan 8th Michigan 27th Michigan^[29] 109th New York 51st Pennsylvania
	2nd Brigade   Col Benjamin C. Christ	1st Michigan Sharpshooters 20th Michigan 60th Ohio^[30] 50th Pennsylvania
	Acting Engineers	17th Michigan
	Artillery	Maine Light, 7th Battery (G) New York Light, 34th Battery
Fourth Division     BG Edward Ferrero	1st Brigade   Col Joshua K. Sigfried	27th United States Colored Troops 30th United States Colored Troops 39th United States Colored Troops 43rd United States Colored Troops
	2nd Brigade   Col Henry G. Thomas	19th United States Colored Troops 23rd United States Colored Troops 31st United States Colored Troops
	Artillery	Pennsylvania Light, Battery D Vermont Light, 3rd Battery

Cavalry Corps

See main article: Cavalry Corps (Union Army). MG Philip H. Sheridan

Escort:

• 6th United States

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Alfred T. A. Torbert	1st Brigade   BG George A. Custer	1st Michigan 5th Michigan 6th Michigan 7th Michigan
	2nd Brigade   Col Thomas C. Devin	4th New York 6th New York 9th New York 17th Pennsylvania
	Reserve Brigade   BG Wesley Merritt	19th New York (1st Dragoons) 6th Pennsylvania 1st United States 2nd United States 5th United States
Second Division     BG David McM. Gregg	1st Brigade   BG Henry E. Davies, Jr.	1st Massachusetts 1st New Jersey 10th New York 6th Ohio 1st Pennsylvania
	2nd Brigade   Col J. Irvin Gregg	1st Maine 2nd Pennsylvania 4th Pennsylvania 8th Pennsylvania 13th Pennsylvania 16th Pennsylvania
Third Division     BG James H. Wilson	1st Brigade   Col John B. McIntosh	1st Connecticut 3rd New Jersey 2nd New York 5th New York 2nd Ohio 18th Pennsylvania
	2nd Brigade   Col George H. Chapman	3rd Indiana 8th New York 1st Vermont
	Escort	8th Illinois (detachment)
	1st Brigade Horse Artillery^[31]   Cpt James M. Robertson	New York Light, 6th Battery^[32] 2nd United States, Batteries B and L 2nd United States, Battery D 2nd United States, Battery M 4th United States, Battery A 4th United States, Batteries C and E

Artillery

width=30%	Division	width=30%	Brigade	Regiments and Others
Artillery     BG Henry J. Hunt^[33]	2nd Brigade Horse Artillery   Cpt Dunbar R. Ransom	1st United States, Batteries E and G 1st United States, Batteries H and I 1st United States, Battery K 2nd United States, Battery A 2nd United States, Battery G 3rd United States, Batteries C, F, and K
	Artillery Park   Ltc Freeman McGilvery	15th New York Heavy, 2nd Battalion

Army of the James

See main article: Army of the James.

XVIII Corps

See main article: XVIII Corps (Union Army). MG William F. Smith^[34]

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG William T. H. Brooks	1st Brigade   BG Gilman Marston	81st New York 96th New York 98th New York 139th New York
	2nd Brigade   BG Hiram Burnham	8th Connecticut 10th New Hampshire 13th New Hampshire 118th New York
	3rd Brigade   Col Guy V. Henry	21st Connecticut 40th Massachusetts^[35] 92nd New York 58th Pennsylvania 188th Pennsylvania
Second Division     BG John H. Martindale	1st Brigade   BG George J. Stannard	23rd Massachusetts 25th Massachusetts 27th Massachusetts 9th New Jersey 89th New York 55th Pennsylvania
	2nd Brigade   Col Griffin Alexander Stedman	11th Connecticut 8th Maine 2nd New Hampshire 12th New Hampshire 148th New York
Third Division^[36]     BG Charles Devens, Jr.     BG Adelbert Ames^[37]	1st Brigade   Col William B. Barton	47th New York 48th New York 115th New York 76th Pennsylvania
	2nd Brigade   Col Jeremiah C. Drake (mw)   Ltc Zina H. Robinson   Col Alexander Piper^[38]	13th Indiana 9th Maine: Ltc Zina H. Robinson 112th New York 169th New York 10th New York Heavy Artillery^[39]
	3rd Brigade   BG Adelbert Ames   Col Henry R. Guss	4th New Hampshire 3rd New York 117th New York 142nd New York 97th Pennsylvania: Col Henry R. Guss
	Artillery Brigade   Cpt Samuel S. Elder	1st United States, Battery B 4th United States, Battery L 5th United States, Battery A

Forces operating against Richmond June 6-12, 1864

LTG Ulysses S. Grant

Escort:

• 5th United States Cavalry, Companies B, F and K

Army of the Potomac

See main article: Army of the Potomac. MG George Meade

General Staff:

• Chief of Staff: MG Andrew A. Humphreys
• Assistant Adjutant General: BG Seth Williams
• Chief Quartermaster: BG Rufus Ingalls

General Headquarters:

Provost Guard: BG Marsena R. Patrick

• 1st Massachusetts Cavalry, Companies C and D
• 80th New York (20th Militia)
• 3rd Pennsylvania Cavalry
• 68th Pennsylvania
• 114th Pennsylvania

Engineer Troops:^[6]

• 50th New York Engineers
• Battalion United States Engineers

Guards and Orderlies:

• Independent Company Oneida (New York) Cavalry

II Corps

See main article: II Corps (Union Army). MG Winfield S. Hancock

Escort:

• 1st Vermont Cavalry, Company M

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Francis C. Barlow	1st Brigade   Col Nelson A. Miles^[40]	26th Michigan 5th New Hampshire 2nd New York Heavy Artillery 61st New York 81st Pennsylvania 140th Pennsylvania 183rd Pennsylvania
	2nd Brigade   Col Patrick Kelly	28th Massachusetts 63rd New York 69th New York 88th New York 116th Pennsylvania
	3rd Brigade   Col Clinton D. MacDougall	39th New York 52nd New York 57th New York 111th New York 125th New York 126th New York
	4th Brigade   Col James A. Beaver	2nd Delaware 7th New York Heavy Artillery 64th New York 66th New York 53rd Pennsylvania 145th Pennsylvania 148th Pennsylvania
Second Division     BG John Gibbon	1st Brigade   BG Byron R. Pierce	19th Maine 1st Company Massachusetts Sharpshooters 15th Massachusetts 19th Massachusetts 20th Massachusetts 7th Michigan 42nd New York 59th New York 82nd New York (Battalion) 184th Pennsylvania 36th Wisconsin
	2nd Brigade   BG Joshua T. Owen   Col John Fraser^[41]	152nd New York 69th Pennsylvania 71st Pennsylvania 72nd Pennsylvania 106th Pennsylvania
	3rd Brigade   Col Thomas A. Smyth	14th Connecticut 1st Delaware 14th Indiana 12th New Jersey 10th New York Battalion 108th New York 4th Ohio 8th Ohio 7th West Virginia
	4th Brigade   Col James P. MacIvor   Col John Ramsey^[42]	8th New York Heavy Artillery 155th New York 164th New York 170th New York 182nd New York
	Provost Guard	2nd Company Minnesota Sharpshooters
Third Division     MG David B. Birney	1st Brigade   Col Thomas W. Egan	20th Indiana 3rd Maine 17th Maine 40th New York 86th New York 124th New York 99th Pennsylvania 110th Pennsylvania 141st Pennsylvania 2nd United States Sharpshooters
	2nd Brigade   Col Thomas R. Tannatt	4th Maine 1st Massachusetts Heavy Artillery 3rd Michigan^[43] 5th Michigan 93rd New York 57th Pennsylvania 63rd Pennsylvania 105th Pennsylvania 1st United States Sharpshooters
	3rd Brigade   BG Gershom Mott	1st Maine Heavy Artillery 16th Massachusetts 5th New Jersey 6th New Jersey 7th New Jersey 8th New Jersey 11th New Jersey 115th Pennsylvania
	4th Brigade   Col William R. Brewster	11th Massachusetts 70th New York 71st New York 72nd New York (3 Companies) 73rd New York 74th New York 120th New York 84th Pennsylvania
	Artillery Brigade   Col John C. Tidball	Maine Light, 6th Battery (F) Massachusetts Light, 10th Battery New Hampshire Light, 1st Battery 1st New Jersey Light, Battery B 1st New York Light, Battery G 4th New York Heavy New York Light, 11th Battery New York Light, 12th Battery 1st Pennsylvania Light, Battery F 1st Rhode Island Light, Battery A 1st Rhode Island Light, Battery B 4th United States, Battery K 5th United States, Batteries C and I

V Corps

See main article: V Corps (Union Army). MG Gouverneur K. Warren^[44]

Provost Guard:

• 5th New York, Companies F and E^[45]

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Charles Griffin	1st Brigade^[46]   Col Edward S. Bragg   Col Joshua L. Chamberlain^[47]	121st Pennsylvania 142nd Pennsylvania 143rd Pennsylvania 149th Pennsylvania 150th Pennsylvania 187th Pennsylvania^[48]
	2nd Brigade   Col Jacob B. Sweitzer	9th Massachusetts^[49] 22nd Massachusetts 32nd Massachusetts 4th Michigan 62nd Pennsylvania 21st Pennsylvania Cavalry (Dismounted)
	3rd Brigade   BG Joseph J. Bartlett	20th Maine 18th Massachusetts 1st Michigan 16th Michigan 44th New York 83rd Pennsylvania 118th Pennsylvania
Second Division     BG Romeyn B. Ayres	1st Brigade^[50]   Col Edgar M. Gregory	5th New York 140th New York 146th New York 91st Pennsylvania 155th Pennsylvania 2nd United States, Companies B, C, F, H, I, and K 11th United States, Companies B, C, D, E, F, and G, 1st Battalion 12th United States, Companies A, B, C, D, and G, 1st Battalion, and Companies A, C, D, F, and H, 2nd Battalion 14th United States, 1st Battalion 17th United States, Companies A, C, D, G, and H, 1st Battalion, and Companies A, B, and C, 2nd Battalion
	2nd Brigade^[51]   Col Nathan D. Dushane	1st Maryland 4th Maryland 7th Maryland 8th Maryland Purnell (Maryland) Legion
	3rd Brigade   Col J. Howard Kitching	6th New York Heavy Artillery 15th New York Heavy Artillery, 1st and 3rd Battalions
Third Division     BG Samuel W. Crawford	1st Brigade^[52]   Col Peter Lyle	16th Maine 13th Massachusetts 39th Massachusetts 94th New York^[53] 104th New York 90th Pennsylvania 107th Pennsylvania
	2nd Brigade^[54]   Col James L. Bates	12th Massachusetts 83rd New York^[55] 97th New York 11th Pennsylvania 88th Pennsylvania
	3rd Brigade   Maj William R. Hartshorne   Col James Carle^[56]	190th Pennsylvania^[57] 191st Pennsylvania^[58]
Fourth Division     BG Lysander Cutler	1st Brigade   Col William W. Robinson   Col Edward S. Bragg	7th Indiana 19th Indiana 24th Michigan 1st Battalion New York Sharpshooters 6th Wisconsin 7th Wisconsin
	2nd Brigade   Col J. William Hofmann	3rd Delaware 4th Delaware 76th New York 95th New York 147th New York 56th Pennsylvania 157th Pennsylvania
	Provost Guard	2nd Wisconsin
	Artillery Brigade   Col Charles S. Wainwright	Massachusetts Light, 3rd Battery Massachusetts Light, 5th Battery Massachusetts Light, 9th Battery 1st New York Light, Battery B 1st New York Light, Battery C 1st New York Light, Battery D 1st New York Light, Batteries E and L 1st New York Light, Battery H New York Light, 15th Battery 1st Pennsylvania Light, Battery B 4th United States, Battery B 5th United States, Battery D

VI Corps

See main article: VI Corps (Union Army). MG Horatio G. Wright

Escort:

• 8th Pennsylvania Cavalry, Company A

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG David A. Russell	1st Brigade   Col William H. Penrose	1st Delaware Cavalry (dismounted) 4th New Jersey 10th New Jersey 15th New Jersey
	2nd Brigade   BG Emory Upton	2nd Connecticut Heavy Artillery 5th Maine 121st New York 95th Pennsylvania 96th Pennsylvania
	3rd Brigade   BG Henry L. Eustis^[59]   Ltc Gideon Clark	6th Maine 49th Pennsylvania 119th Pennsylvania: Ltc Gideon Clark 5th Wisconsin
	4th Brigade   Col Nelson Cross	65th New York 67th New York 122nd New York 23rd Pennsylvania 82nd Pennsylvania
Second Division     BG Thomas H. Neill	1st Brigade   BG Frank Wheaton	62nd New York 93rd Pennsylvania 98th Pennsylvania 102nd Pennsylvania 139th Pennsylvania
	2nd Brigade   BG Lewis A. Grant	1st Vermont Heavy Artillery 2nd Vermont 3rd Vermont 4th Vermont 5th Vermont 6th Vermont
	3rd Brigade   Col Daniel D. Bidwell	7th Maine 43rd New York 49th New York 77th New York 61st Pennsylvania
	4th Brigade   Col Oliver Edwards	7th Massachusetts 10th Massachusetts 37th Massachusetts 2nd Rhode Island
Third Division     BG James B. Ricketts	1st Brigade   Ltc Caldwell K. Hall	14th New Jersey 106th New York 151st New York 87th Pennsylvania 10th Vermont
	2nd Brigade   Col Benjamin F. Smith	6th Maryland 9th New York Heavy Artillery, 1st and 3rd Battalions 110th Ohio 122nd Ohio 126th Ohio 67th Pennsylvania 138th Pennsylvania
	Artillery Brigade   Col Charles H. Tompkins	Maine Light, 4th Battery (D) Maine Light, 5th Battery (E) Massachusetts Light, 1st Battery (A) 1st New Jersey Light, Battery A New York Light, 1st Battery New York Light, 3rd Battery 9th New York Heavy, 2nd Battalion 1st Ohio Light, Battery H 1st Rhode Island Light, Battery C 1st Rhode Island Light, Battery E 1st Rhode Island Light, Battery G 5th United States, Battery E 5th United States, Battery M

IX Corps

See main article: IX Corps (Union Army). MG Ambrose E. Burnside

General Staff:

• Chief of Staff: MG John G. Parke
• Chief of Artillery: Ltc J. Albert Monroe

Provost Guard:

• 8th United States

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     MG Thomas L. Crittenden^[60]     BG James H. Ledlie^[61]	1st Brigade   BG James H. Ledlie   Col Jacob P. Gould	56th Massachusetts 57th Massachusetts 59th Massachusetts: Col Jacob P. Gould 4th United States^[62] 10th United States
	2nd Brigade   Col Ebenezer W. Peirce	3rd Maryland 21st Massachusetts 29th Massachusetts 179th New York^[63] 100th Pennsylvania
	Provisional Brigade^[64]   Col Elisha G. Marshall	2nd New York Mounted Rifles^[65] (dismounted) 14th New York Heavy Artillery 24th New York Cavalry^[66] (dismounted) 2nd Pennsylvania Provisional Heavy Artillery
	Acting Engineers	35th Massachusetts
	Artillery	Maine Light, 2nd Battery (B) Massachusetts Light, 14th Battery New York Light, 27th Battery^[67]
Second Division     BG Robert B. Potter	1st Brigade   Col John I. Curtin	36th Massachusetts 58th Massachusetts 45th Pennsylvania 48th Pennsylvania 7th Rhode Island
	2nd Brigade   BG Simon G. Griffin	2nd Maryland (detachment) 31st Maine 32nd Maine 6th New Hampshire 9th New Hampshire 11th New Hampshire 17th Vermont
	Acting Engineers	51st New York
	Artillery	Massachusetts Light, 11th Battery New York Light, 19th Battery
Third Division     BG Orlando B. Willcox	1st Brigade   Col John F. Hartranft	2nd Michigan 8th Michigan 27th Michigan 109th New York 51st Pennsylvania 38th Wisconsin^[68]
	2nd Brigade   Col Benjamin C. Christ	1st Michigan Sharpshooters 20th Michigan 46th New York 60th Ohio 50th Pennsylvania
	Acting Engineers	17th Michigan
	Artillery	Maine Light, 7th Battery (G) New York Light, 34th Battery
Fourth Division     BG Edward Ferrero	1st Brigade   Col Joshua K. Sigfried	27th United States Colored Troops 30th United States Colored Troops 39th United States Colored Troops 43rd United States Colored Troops
	2nd Brigade   Col Henry G. Thomas	19th United States Colored Troops 23rd United States Colored Troops 31st United States Colored Troops
	Artillery	Pennsylvania Light, Battery D Vermont Light, 3rd Battery

Cavalry Corps

See main article: Cavalry Corps (Union Army). MG Philip H. Sheridan^[69]

Escort:

• 6th United States

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG Alfred T. A. Torbert	1st Brigade   BG George A. Custer	1st Michigan 5th Michigan 6th Michigan 7th Michigan
	2nd Brigade   Col Thomas C. Devin	4th New York 6th New York 9th New York 17th Pennsylvania
	Reserve Brigade   BG Wesley Merritt	19th New York (1st Dragoons) 6th Pennsylvania 1st United States 2nd United States 5th United States
Second Division     BG David McM. Gregg	1st Brigade   BG Henry E. Davies, Jr.	1st Massachusetts 1st New Jersey 10th New York 6th Ohio 1st Pennsylvania
	2nd Brigade   Col J. Irvin Gregg	1st Maine 2nd Pennsylvania 4th Pennsylvania 8th Pennsylvania 13th Pennsylvania 16th Pennsylvania
Third Division     BG James H. Wilson	1st Brigade   Col John B. McIntosh	1st Connecticut 3rd New Jersey 2nd New York 5th New York 2nd Ohio 18th Pennsylvania
	2nd Brigade   Col George H. Chapman	3rd Indiana 1st New Hampshire^[70] 8th New York 22nd New York 1st Vermont
	Escort	8th Illinois (detachment)
	Horse Artillery Brigade   Cpt James M. Robertson	1st United States, Batteries H and I 1st United States, Battery K 2nd United States, Battery A 2nd United States, Batteries B and L 2nd United States, Battery D 2nd United States, Battery M 3rd United States, Batteries C, F, and K 4th United States, Batteries C and E

Artillery

width=30%	Division	width=30%	Brigade	Regiments and Others
Artillery     BG Henry J. Hunt	Artillery Park   Ltc Freeman McGilvery	15th New York Heavy, 2nd Battalion

Army of the James

See main article: Army of the James.

XVIII Corps

See main article: XVIII Corps (Union Army). MG William F. Smith^[71]

width=25%	Division	width=25%	Brigade	Regiments and Others
First Division     BG William T. H. Brooks	1st Brigade   BG Gilman Marston	81st New York 96th New York 98th New York 139th New York
	2nd Brigade   BG Hiram Burnham	8th Connecticut 10th New Hampshire 13th New Hampshire 118th New York
	3rd Brigade   Col Guy V. Henry	21st Connecticut 40th Massachusetts 92nd New York 58th Pennsylvania 188th Pennsylvania
Second Division     BG John H. Martindale	1st Brigade   BG George J. Stannard	23rd Massachusetts 25th Massachusetts 27th Massachusetts 9th New Jersey 89th New York 55th Pennsylvania
	2nd Brigade   Col Griffin A. Stedman, Jr.	11th Connecticut 8th Maine 2nd New Hampshire 12th New Hampshire 148th New York
Third Division     BG Adelbert Ames	1st Brigade   Col William B. Barton	47th New York 48th New York 115th New York 76th Pennsylvania
	2nd Brigade   Col Alexander Piper^[72]   Col N. Martin Curtis	13th Indiana 9th Maine 112th New York 169th New York 10th New York Heavy Artillery
	3rd Brigade   Col Henry R. Guss^[73]   Col Louis Bell	4th New Hampshire: Col Louis Bell 3rd New York 117th New York 142nd New York: Col N. Martin Curtis 97th Pennsylvania
	Artillery Brigade   Cpt Samuel S. Elder	1st United States, Battery B 4th United States, Battery L 5th United States, Battery A

See also

• Wilderness Union order of battle
• Spotsylvania Court House Union order of battle

References

• Eicher, John H., and David J. Eicher. Civil War High Commands. Stanford, CA: Stanford University Press, 2001. .
• Rhea, Gordon C. Cold Harbor: Grant and Lee May 26-June 3, 1864. Baton Rouge: Louisiana State University Press, 2002.
• U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies, U.S. Government Printing Office, 1880 - 1901.
• Wittenberg, Eric J. Glory Enough For All: Sheridan's Second Raid and the Battle of Trevilian Station. Washington, DC: Brassey's, Inc, 2001.

Notes and References

1. Official Records, Series I, Volume XXXVI, Part 1, pages 198-209
2. Gordon C. Rhea, Cold Harbor: Grant and Lee May 26-June 3, 1864, The Order of Battle
3. Official Records, Series I, Volume XXXVI, Part 1, pages 153-165; Official Records, Series I, Volume XXXVI, Part 1, pages 166-183
4. Official Records, Series I, Volume XXXVI, Part 1, pages 1162-1168
5. Multiple commander names indicate command succession of command during the battle or the campaign.
6. [15th New York Engineer Regiment|15th New York Engineers]
7. At Port Royal, Virginia; joined Second Brigade, Third Division, Cavalry Corps on June 5, 1864 (see: Chapman's report)
8. Arrived June 1, 1864
9. Detachment 7th New York attached
10. Detached at Port Royal, Virginia; rejoined brigade June 5, 1864 (see: Wilder's report)
11. Assigned June 4, 1864
12. Transferred to First Brigade June 5, 1864
13. Attached to the 120th New York
14. The First Battalion joined from the VI Corps May 31, 1864, and the Second Battalion from the V Corps May 29, 1864, thus uniting the three battalions
15. Transferred to the 5th New York on June 2, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, page 453; New York State Military Museum and Veterans Research Center - 5th Veteran Infantry Regiment; New York State Military Museum and Veterans Research Center - 12th Infantry Regiment)
16. 2nd Company Massachusetts Sharpshooters attached
17. Gordon C. Rhea in Cold Harbor: Grant and Lee May 26-June 3, 1864, The Order of Battle lists the 21st Pennsylvania Cavalry in the 1st Brigade (see also: Pennsylvania in the Civil War - 21st Pennsylvania Cavalry)
18. Transferred to Ninth Corps on June 3, 1864 (see: Deane's report; Itinerary First Division, Ninth Army Corps; Official Records, Series I, Volume XXXVI, Part 3, page 543)
19. Brady's Company Michigan Sharpshooters attached
20. Relieved June 2, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, pages 494 and 495)
21. Assigned June 2, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, page 495)
22. Left front June 1, 1864 (see: Pennsylvania in the Civil War - 1st Pennsylvania Reserves, 2nd Pennsylvania Reserves, 6th Pennsylvania Reserves and 13th Pennsylvania Reserves)
23. Left front May 31, 1864 (see: Pennsylvania in the Civil War - 7th Pennsylvania Reserves, 5th Pennsylvania Reserves, 10th Pennsylvania Reserves and 12th Pennsylvania Reserves)
24. Transferred to Second Division June 2, 1864
25. Transferred to IX Corps on June 4, 1864 (see: Cutcheon's and Serviere's report)
26. Ordered home for muster-out June 4, 1864
27. Assumed command June 2, 1864 and wounded June 3, 1864
28. Assumed command May 31, 1864
29. 1st and 2nd Companies Michigan Sharpshooters attached
30. 9th and 10th Companies Ohio Sharpshooters attached
31. The two Horse Artillery brigades were consolidated under Captain Robertson on May 31, 1864 (see: Hunt's report; Official Records, Series I, Volume XXXVI, Part 3, page 377)
32. Sent to the Department of Washington on May 31, 1864 (see: Hunt's report)
33. Chief of Artillery to the whole Army
34. On June 1, 1864 the XVIII Corps was placed under Meade's command (see: Official Records, Series I, Volume XXXVI, Part 3, page 466)
35. Temporarily attached from X Corps
36. Organized temporarily May 30, 1864, and consisted of troops previously known as the Second and Third Divisions of the Tenth Corps
37. Assigned June 4, 1864, Brigadier General Devens being relieved on account of ill-health
38. Assigned June 5, 1864
39. Joined June 5, 1864 (see: New York State Military Museum and Veterans Research Center - 10th Artillery Regiment)
40. Appointed Brigadier General June 9, 1864 with date of rank 12 May 1864 (see: John H. Eicher and David J. Eicher, Civil War High Commands, pages 389 and 725)
41. Assigned June 12, 1864
42. Assumed command June 7, 1864
43. Veterans and recruits transferred to 5th Michigan June 9, 1864
44. The Fifth Corps was reorganized on June 5, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, pages 613-614)
45. For Companies F and E, 5th New York as Provost Guard see: New York State Military Museum and Veterans Research Center - 5th Veteran Infantry Regiment
46. Was the Third brigade, Fourth Division, up to June 6, 1864
47. Assigned June 6, 1864
48. Joined June 6, 1864
49. Ordered home for muster out June 9, 1864
50. Was First Brigade, First Division, up to June 6, 1864
51. Was Third Brigade, Second Division, up to June 6, 1864
52. Was First Brigade, Second Division, up to June 6, 1864
53. Transferred to Second Brigade June 11, 1864
54. Was Second Brigade, Second Division, up to June 6, 1864
55. Ordered home June 7, 1864
56. Assumed command June 6, 1864
57. Organized from veterans and recruits from the 1st, 7th, 9th, two companies of the 10th, 11th, 12th, and 13th Reserve regiments (see: Pennsylvania in the Civil War - 190th Regiment)
58. Organized from veterans and recruits from the 2nd, 5th, 6th, 8th, and 10th Reserve regiments (see: Pennsylvania in the Civil War - 191st Regiment)
59. Relieved June 12, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, page 758)
60. Relieved at his own request June 9, 1864 (see: Burnside's report; Itinerary First Division, Ninth Army Corps; John H. Eicher and David J. Eicher, Civil War High Commands, page 191)
61. Assigned June 9, 1864
62. Transferred to the First Brigade, Second Division, Fifth Corps, June 10, 1864
63. Joined June 11, 1864
64. Designated Third Brigade June 11, 1864
65. Transferred to First Brigade, Second Division, June 9, 1864(see: Itinerary First Division, Ninth Army Corps)
66. Transferred to Second Brigade, Third Division, June 9, 1864 (see: Itinerary First Division, Ninth Army Corps)
67. Joined June 6, 1864 (see: Itinerary First Division, Ninth Army Corps)
68. Joined June 10, 1864
69. Major General Sheridan with the 6th United States, the First and Second Division, and Batteries H and I (consolidated), 1st United States, Batteries B and L (consolidated), Battery D and Battery M, 2nd United States under Captain Robertson from the Horse Artillery Brigade detached on a Raid on June 7, 1864 which culminated in the Battle of Trevilian Station (see: Eric J. Wittenberg, Glory Enough For All: Sheridan's Second Raid and the Battle of Trevilian Station, pages 37 and 331-332)
70. Joined June 9, 1864 (see: Chapman's report)
71. Temporarily attached to the Army of the Potomac
72. Relieved June 9, 1864
73. In command until June 9, 1864 (see: John H. Eicher and David J. Eicher, Civil War High Commands, page 271)