Cold_Harbor_Union_order_of_battle

Battle of Cold Harbor order of battle: Union

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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]

Notes

[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 Engineers at Fort Monroe, Virginia; Brigadier General Henry W. Benham was not present (see: Benham's report)
[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)

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[1] [1]
Official Records, Series I, Volume XXXVI, Part 1, pages 198-209

[2] [2]
Gordon C. Rhea, Cold Harbor: Grant and Lee May 26-June 3, 1864, The Order of Battle

[3] [3]
Official Records, Series I, Volume XXXVI, Part 1, pages 153-165; Official Records, Series I, Volume XXXVI, Part 1, pages 166-183

[4] [4]
Official Records, Series I, Volume XXXVI, Part 1, pages 1162-1168

[5] [5]
Multiple commander names indicate command succession of command during the battle or the campaign.

[Engineers-6] [6]
15th New York Engineers at Fort Monroe, Virginia; Brigadier General Henry W. Benham was not present (see: Benham's report)

[7] [7]
At Port Royal, Virginia; joined Second Brigade, Third Division, Cavalry Corps on June 5, 1864 (see: Chapman's report)

[June1-8] [8]
Arrived June 1, 1864

[7thNewYork-9] [9]
Detachment 7th New York attached

[10] [10]
Detached at Port Royal, Virginia; rejoined brigade June 5, 1864 (see: Wilder's report)

[Assigned_June_4,_1864-11] [11]
Assigned June 4, 1864

[12] [12]
Transferred to First Brigade June 5, 1864

[72ndNewYork-13] [13]
Attached to the 120th New York

[14] [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] [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)

[2ndMassachusetts-16] [16]
2nd Company Massachusetts Sharpshooters attached

[17] [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] [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)

[Brady-19] [19]
Brady's Company Michigan Sharpshooters attached

[20] [20]
Relieved June 2, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, pages 494 and 495)

[21] [21]
Assigned June 2, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, page 495)

[PRJune1-22] [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)

[PRMay31-23] [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] [24]
Transferred to Second Division June 2, 1864

[25] [25]
Transferred to IX Corps on June 4, 1864 (see: Cutcheon's and Serviere's report)

[1st3rdNewJersey-26] [26]
Ordered home for muster-out June 4, 1864

[27] [27]
Assumed command June 2, 1864 and wounded June 3, 1864

[28] [28]
Assumed command May 31, 1864

[MichiganSharpshooters-29] [29]
1st and 2nd Companies Michigan Sharpshooters attached

[OhioSharpshooters-30] [30]
9th and 10th Companies Ohio Sharpshooters attached

[HorseArtillery-31] [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)

[HorseArtillery2-32] [32]
Sent to the Department of Washington on May 31, 1864 (see: Hunt's report)

[ChiefofArtillery-33] [33]
Chief of Artillery to the whole Army

[34] [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)

[TenthCorps-35] [35]
Temporarily attached from X Corps

[ThirdDivision-36] [36]
Organized temporarily May 30, 1864, and consisted of troops previously known as the Second and Third Divisions of the Tenth Corps

[37] [37]
Assigned June 4, 1864, Brigadier General Devens being relieved on account of ill-health

[38] [38]
Assigned June 5, 1864

[39] [39]
Joined June 5, 1864 (see: New York State Military Museum and Veterans Research Center - 10th Artillery Regiment)

[40] [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)

[Assigned_June_12,_1864-41] [41]
Assigned June 12, 1864

[June7-42] [42]
Assumed command June 7, 1864

[43] [43]
Veterans and recruits transferred to 5th Michigan June 9, 1864

[44] [44]
The Fifth Corps was reorganized on June 5, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, pages 613-614)

[45] [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] [46]
Was the Third brigade, Fourth Division, up to June 6, 1864

[June6-47] [47]
Assigned June 6, 1864

[June62-48] [48]
Joined June 6, 1864

[49] [49]
Ordered home for muster out June 9, 1864

[50] [50]
Was First Brigade, First Division, up to June 6, 1864

[51] [51]
Was Third Brigade, Second Division, up to June 6, 1864

[52] [52]
Was First Brigade, Second Division, up to June 6, 1864

[53] [53]
Transferred to Second Brigade June 11, 1864

[54] [54]
Was Second Brigade, Second Division, up to June 6, 1864

[55] [55]
Ordered home June 7, 1864

[56] [56]
Assumed command June 6, 1864

[57] [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] [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] [59]
Relieved June 12, 1864 (see: Official Records, Series I, Volume XXXVI, Part 3, page 758)

[60] [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)

[June9-61] [61]
Assigned June 9, 1864

[4th10th-62] [62]
Transferred to the First Brigade, Second Division, Fifth Corps, June 10, 1864

[63] [63]
Joined June 11, 1864

[64] [64]
Designated Third Brigade June 11, 1864

[65] [65]
Transferred to First Brigade, Second Division, June 9, 1864(see: Itinerary First Division, Ninth Army Corps)

[66] [66]
Transferred to Second Brigade, Third Division, June 9, 1864 (see: Itinerary First Division, Ninth Army Corps)

[67] [67]
Joined June 6, 1864 (see: Itinerary First Division, Ninth Army Corps)

[68] [68]
Joined June 10, 1864

[69] [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] [70]
Joined June 9, 1864 (see: Chapman's report)

[71] [71]
Temporarily attached to the Army of the Potomac

[72] [72]
Relieved June 9, 1864

[73] [73]
In command until June 9, 1864 (see: John H. Eicher and David J. Eicher, Civil War High Commands, page 271)

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Division	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

Division	Brigade	Regiments and Others
First Division BG Charles Griffin	1st Brigade BG Romeyn B. Ayres	5th New York^[8] 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^[8]^[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^[22] 6th Pennsylvania Reserves^[22] 7th Pennsylvania Reserves^[23] 13th Pennsylvania Reserves^[22]
	3rd Brigade Col Joseph W. Fisher	5th Pennsylvania Reserves^[23] 10th Pennsylvania Reserves^[23] 12th Pennsylvania Reserves^[23]
	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^[8] 46th New York^[25] 76th New York 95th New York 147th New York 56th Pennsylvania 157th Pennsylvania^[8]
	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

Division	Brigade	Regiments and Others
First Division BG David A. Russell	1st Brigade Col William H. Penrose	1st New Jersey^[26] 3rd New Jersey^[26] 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
Third Division BG James B. Ricketts	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

Division	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^[11]	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

Division	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
Second Division BG David McM. Gregg	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^[32] 4th United States, Batteries C and E

Cold_Harbor_Union_order_of_battle

Battle of Cold Harbor order of battle: Union

Abbreviations used

Military Rank

Other

Forces operating against Richmond May 31-June 5, 1864

Army of the Potomac

II Corps

V Corps

VI Corps

IX Corps

Cavalry Corps

Artillery

Army of the James

XVIII Corps

Forces operating against Richmond June 6-12, 1864