Siege of Petersburg
Second Offensive Order of Battle
Union Army
June 19-30, 1864
Note: This order of battle is taken from The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pp. 218-268 and The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), pp. 542-557 unless otherwise noted. For detailed citations regarding commanders, unit strengths, weapons, and other details, click on the unit pages linked below.
Union Armies: Lieutenant General Ulysses S. Grant
Escort, Union Army (at City Point, Va.)
4th United States Infantry (June 22-30, 1864)
Army of the Potomac: Major General George G. Meade
HQ, Army of the Potomac
Guards & Orderlies, Army of the Potomac
Signal Corps, Army of the Potomac: Captain Benjamin F. Fisher
Provost Guard, Army of the Potomac: Brigadier General Marsena R. Patrick
1st Indiana Cavalry (Cos. I and K)
80th New York Infantry (20th Militia)
Engineers, Army of the Potomac
United States Engineer Battalion
Volunteer Engineer Brigade, Army of the Potomac: Brigadier General Henry W. Benham
Artillery, Army of the Potomac: Brigadier General Henry J. Hunt
Artillery Park, Army of the Potomac: Lieutenant Colonel Freeman McGilvery
15th New York Heavy Artillery, Co. F
II Corps, Army of the Potomac: Major General David B. Birney (June 19-27, 1864), Major General Winfield S. Hancock (June 28-30, 1864)
Escort, II Corps, Army of the Potomac
First Division, II Corps, Army of the Potomac: Brigadier General Francis C. Barlow
First Brigade, First Division, II Corps, Army of the Potomac: Brigadier General Nelson A. Miles
Second Brigade, First Division, II Corps, Army of the Potomac (June 19-26, 1864): Unknown (June 19-26, 1864)
63rd New York Infantry (June 19-26, 1864)
69th New York Infantry (June 19-26, 1864)
88th New York Infantry (June 19-26, 1864)
116th Pennsylvania Infantry (June 19-26, 1864)
Third Brigade, First Division, II Corps, Army of the Potomac (June 19-26, 1864): Colonel Clinton D. MacDougall (of the 111th NY) (June 19-26, 1864)
39th New York Infantry (June 19-26, 1864)
52nd New York Infantry (June 19-26, 1864)
57th New York Infantry (June 19-26, 1864)
111th New York Infantry (June 19-26, 1864)
125th New York Infantry (June 19-26, 1864)
126th New York Infantry (June 19-26, 1864)
Consolidated (2nd & 3rd) Brigade, First Division, II Corps, Army of the Potomac (June 27-30, 1864): Colonel Clinton D. MacDougall (of the 111th NY) (June 27-30, 1864)
39th New York Infantry (June 27-30, 1864)
52nd New York Infantry (June 27-30, 1864)
57th New York Infantry (June 27-30, 1864)
63rd New York Infantry (June 27-30, 1864)
69th New York Infantry (June 27-30, 1864)
88th New York Infantry (June 27-30, 1864)
111th New York Infantry (June 27-30, 1864)
125th New York Infantry (June 27-30, 1864)
126th New York Infantry (June 27-30, 1864)
Fourth Brigade, First Division, II Corps, Army of the Potomac: Lieutenant Colonel John Hastings (of the 7th NY HA) (June 19-21 and 22-30, 1864); Colonel John Fraser (of the 140th PA) (June 21-22, 1864)(Captured June 22)
116th Pennsylvania Infantry (June 27-30, 1864)
Second Division, II Corps, Army of the Potomac: Major General John Gibbon
Provost Guard, Second Division, II Corps, Army of the Potomac
2nd Company Minnesota Sharpshooters
First Brigade, Second Division, II Corps, Army of the Potomac: Brigadier General Byron R. Pierce (June 19-22, 1864)(relieved June 22, and reassigned to 2/3/II/AotP on June 24); Major William F. Smith (of the 1st DE) (June 22-27, 1864); Lieutenant Colonel Francis E. Pierce (of the 108th NY) (June 27-30, 1864)
15th Massachusetts Infantry (mostly captured June 22, 1864, remnant attached to 20th MA)
First Company Andrew (Massachusetts) Sharpshooters (att. to 15th MA, did it go with remnant to 20th MA?)
42nd New York Infantry (independent at start of 2nd Offensive, then attached to 82nd NY)
82nd New York Infantry (June 19-25, 1864) (mustered out June 25, 1864, remnant remained June 25-30, 1864)
152nd New York Infantry (June 27-30, 1864)
Old Second Brigade, Second Division, II Corps, Army of the Potomac (June 19-26, 1864)(broken up June 26 and its regiments assigned to 1/2/II/AotP and 3/2/II/AotP): Colonel John Fraser (of the 140th PA) (June 19-21, 1864)(assigned to 4/1/II/AotP on June 21); Major Timothy O’Brien (of the 152nd NY) (June 21-30, 1864)
152nd New York Infantry (June 19-26, 1864)
69th Pennsylvania Infantry (June 19-26, 1864)
72nd Pennsylvania Infantry (June 19-26, 1864)
106th Pennsylvania Infantry (June 19-26, 1864)
Third Brigade, Second Division, II Corps, Army of the Potomac: Colonel Thomas A. Smyth (of the 1st DE)
8th Ohio Infantry (mustered out June 25, 1864, veterans and recruits att. to 4th OH)
69th Pennsylvania Infantry (June 27-30, 1864)
72nd Pennsylvania Infantry (June 27-30, 1864)
106th Pennsylvania Infantry (June 27-30, 1864)
Fourth Brigade (New Second Brigade), Second Division, II Corps, Army of the Potomac (became new 2/2/II/AotP on June 26, 1864): Colonel James P. McIvor (of the 170th NY) (June 19-20 and 23-30, 1864); Colonel William Blaisdell (of the 11th MA) (June 20-23, 1864)(killed June 23, 1864)
182nd New York Infantry (69th NY National Guard Artillery)
Third Division, II Corps, Army of the Potomac: Brigadier General Gershom Mott (June 16?-27, 1864)(while Birney commanded II Corps); Major General David B. Birney (June 27-30, 1864)
First Brigade, Third Division, II Corps, Army of the Potomac: Colonel Henry J. Madill (of the 141st PA)
4th New York Heavy Artillery (1st Bn) (June 25-30, 1864)
110th Pennsylvania Infantry (received remnants of 115th PA on June 22, 1864)
2nd United States Sharpshooters
Second Brigade, Third Division, II Corps, Army of the Potomac: Colonel Robert McAllister (of the 11th NJ) (June 19-24, 1864); Brigadier General Byron R. Pierce (June 24-30, 1864)
1st Massachusetts Heavy Artillery
4th New York Heavy Artillery, 2nd Bn. (June 25-30, 1864)
1st United States Sharpshooters
Third Brigade, Third Division, II Corps, Army of the Potomac: Colonel Daniel Chaplin (of the 1st ME HA) (June 16?-27, 1864)(while Mott commanded Third Division, II Corps); Brigadier General Gershom Mott (June 27-30, 1864)
115th Pennsylvania Infantry (June 19-22, 1864) (consolidated with 110th PA on June 22, 1864)
Fourth Brigade, Third Division, II Corps, Army of the Potomac: Colonel William R. Brewster (of the 73rd NY)
70th New York Infantry (June 19-22, 1864) (mustered out June 22, 1864, veterans and recruits to 86th NY)
72nd New York Infantry (June 19-20, 1864) (8 cos. mustered out June 20, 3 cos. attached to 120th NY June 20-30, 1864)
74th New York Infantry (slowly shrunk down to 6 cos. by June 28, 1864 as 4 cos. mustered out from June 19-28)
120th New York Infantry (3 cos. of 72nd NY attached June 20, 1864)
Artillery Brigade, II Corps, Army of the Potomac: Colonel John C. Tidball (June 19-??, 1864); Major John G. Hazard (June ??-30, 1864)
Maine Light Artillery, 6th Battery (F)
Massachusetts Light Artillery, 10th Battery
New Hampshire Light Artillery, 1st Battery (1st NH Heavy Arty, Btty M)
1st New Jersey Light Artillery, 2nd Battery (B)
New Jersey Light Artillery, 3rd Battery (C)
1st New York Light Artillery, Battery G
New York Light Artillery, 11th Battery
New York Light Artillery, 12th Battery
1st Pennsylvania Light Artillery, Battery F
1st Rhode Island Light Artillery, Battery A
1st Rhode Island Light Artillery, Battery B
4th United States Artillery, Battery K
5th United States Artillery, Batteries C and I
4th New York Heavy Artillery, 1st, 2nd, 3rd Bns. (June 19-25, 1864, 1st and 2nd Bns. left to serve as infantry June 25-30, 1864 in the Third Division.)
4th New York Heavy Artillery, 3rd Bn. (June 25-30, 1864)
4th New York Heavy Artillery, Battery D (June 25-30, 1864)
V Corps, Army of the Potomac: Major General Gouverneur K. Warren
HQ, V Corps, Army of the Potomac
1st Michigan Cavalry (detachment)
Engineers, VI Corps, Army of the Potomac
50th New York Engineers, 1st Bn.
Provost Guard, V Corps, Army of the Potomac
5th New York Veteran Infantry (Cos. E & F)
First Division, V Corps, Army of the Potomac: Brigadier General Charles Griffin
First Brigade, First Division, V Corps, Army of the Potomac: Colonel William S. Tilton (of the 22nd MA)
Second Brigade, First Division, V Corps, Army of the Potomac: Colonel Jacob B. Sweitzer (of the 62nd PA)
22nd Massachusetts Infantry (2nd Co. Massachusetts Sharpshooters attached)
4th Michigan Infantry (Left the front June 19, veterans and recruits att. to 1st MI on June 30, 1864)
Third Brigade, First Division, V Corps, Army of the Potomac: Brigadier General Joseph J. Bartlett
16th Michigan Infantry (Brady’s Co. Michigan Sharpshooters attached)
Second Division, V Corps, Army of the Potomac: Brigadier General Romeyn B. Ayres
Provost Guard, Second Division, V Corps, Army of the Potomac
2nd United States Infantry, Co. C
First Brigade, Second Division, V Corps, Army of the Potomac: Colonel Edgar M. Gregory (of the 91st PA) (June 19-20, 1864); Brigadier General Joseph Hayes (June 20-30, 1864)
4th United States Infantry (June 19-22, 1864)
10th United States Infantry (3 cos.)
11th United States Infantry (6 cos.)
Second Brigade, Second Division, V Corps, Army of the Potomac: Colonel Nathan T. Dushane (of the 1st MD US)
Purnell Maryland Legion Infantry (US)
Third Brigade, Second Division, V Corps, Army of the Potomac: Colonel J. Howard Kitching (of the 6th NY HA)
Third Division, V Corps, Army of the Potomac: Brigadier General Samuel W. Crawford
First Brigade, Third Division, V Corps, Army of the Potomac: Colonel Peter Lyle (of the 90th PA)
Second Brigade, Third Division, V Corps, Army of the Potomac: Colonel James L. Bates (of the 12th MA) (June 19-25, 1864)(relieved on expiration of term on June 25); Brigadier General Henry Baxter (June 25-30, 1864)
12th Massachusetts Infantry (June 19-24, 1864)(mustered out June 24, 1864, veterans and recruits transferred to the 39th MA)
Third Brigade, Third Division, V Corps, Army of the Potomac: Colonel James Carle (of the 191st PA)
Fourth Division, V Corps, Army of the Potomac: Brigadier General Lysander Cutler
Provost Guard, Fourth Division, V Corps, Army of the Potomac
2nd Wisconsin Infantry (Independent Battalion Wisconsin Infantry) (2 cos.)
First Brigade, Fourth Division, V Corps, Army of the Potomac: Colonel Edward S. Bragg (of the 6th WI)
1st Battalion New York Sharpshooters
Second Brigade, Fourth Division, V Corps, Army of the Potomac: Colonel J. William Hofmann (of the 56th PA)
Artillery Brigade, V Corps, Army of the Potomac: Colonel Charles S. Wainwright
Massachusetts Light Artillery, 3rd Battery (C)
Massachusetts Light Artillery, 5th Battery (E)
Massachusetts Light Artillery, 9th Battery
1st New York Light Artillery, Battery B
1st New York Light Artillery, Battery C
1st New York Light Artillery, Battery D
1st New York Light Artillery, Battery E
1st New York Light Artillery, Battery H
1st New York Light Artillery, Battery L
New York Light Artillery, 15th Battery
1st Pennsylvania Light Artillery, Battery B
4th United States Artillery, Battery B
5th United States Artillery, Batteries D and G
VI Corps, Army of the Potomac: Major General Horatio G. Wright
HQ, VI Corps, Army of the Potomac
8th Pennsylvania Cavalry, Co. A
Engineers, VI Corps, Army of the Potomac
50th New York Engineers, 2nd Bn.
First Division, VI Corps, Army of the Potomac: Brigadier General David A. Russell
First Brigade, First Division, VI Corps, Army of the Potomac: Colonel William H. Penrose (of the 15th NJ)
1st Delaware Cavalry (dismounted)
Second Brigade, First Division, VI Corps, Army of the Potomac: Brigadier General Emory Upton
2nd Connecticut Heavy Artillery
5th Maine Infantry (June 19-22, 1864)(mustered out June 22, 1864, veterans and recruits transferred to 6th ME)
Third Brigade, First Division, VI Corps, Army of the Potomac: Lieutenant Colonel Gideon Clark (of the 119th PA)
Fourth Brigade, First Division, VI Corps, Army of the Potomac: Colonel Nelson Cross (of the 67th NY)(June 19-20, 1864)(ordered home for muster out June 20); Colonel Joseph E. Hamblin (of the 65th NY) (June 20-30, 1864)
67th New York Infantry (June 19-20, 1864 as a full regiment) (Veterans mustered out June 20, 1864, and a small battalion remained June 20-30, 1864)
Second Division, VI Corps, Army of the Potomac: Brigadier General Thomas H. Neill (June 19-21, 1864)(transferred to Eighteenth Corps, AotJ on June 21); Brigadier General Frank Wheaton (June 21-28, 1864); Brigadier General George W. Getty (June 28-30, 1864)(resumed command on June 28)
First Brigade, Second Division, VI Corps, Army of the Potomac: Brigadier General Frank Wheaton (June 19-21 and 28-30, 1864)(commanded 2/VI/AotP from June 21-28); Colonel John F. Ballier (of the 98th PA) (June 21-28, 1864)(while Wheaton commanded the division)
Second Brigade, Second Division, VI Corps, Army of the Potomac: Brigadier General Lewis A. Grant
11th Vermont Infantry (1st Vermont Heavy Artillery)
Third Brigade, Second Division, VI Corps, Army of the Potomac: Colonel Daniel D. Bidwell (of the 49th NY)
Fourth Brigade, Second Division, VI Corps, Army of the Potomac: Colonel Oliver Edwards (of the 37th MA)
37th Massachusetts Infantry (Remnants of the 7th Massachusetts Infantry and 10th Massachusetts Infantry and a detachment of the 2nd Rhode Island Infantry attached)
Third Division, VI Corps, Army of the Potomac: Brigadier General James B. Ricketts
First Brigade, Third Division, VI Corps, Army of the Potomac: Colonel William S. Truex (of the 14th NJ)
Second Brigade, Third Division, VI Corps, Army of the Potomac: Colonel Benjamin F. Smith (of the 126th OH)
9th New York Heavy Artillery, 1st and 3rd Bns.
Cavalry Detachment, VI Corps, Army of the Potomac: Colonel Timothy M. Bryan, Jr. (of the 18th PA Cav.)
Note: I am unsure how long this temporary detachment lasted into the Second Offensive.
22nd New York Cavalry (detachment)
18th Pennsylvania Cavalry (detachment)
Detachment, 1st and Second Cavalry Divisions
Artillery Brigade, VI Corps, Army of the Potomac: Colonel Charles H. Tompkins
Maine Light Artillery, 4th Battery (D)
Maine Light Artillery, 5th Battery (E)
Massachusetts Light Artillery, 1st Battery (A)
1st New Jersey Light Artillery, 1st Battery (A)
New York Light Artillery, 1st Battery
New York Light Artillery, 3rd Battery
1st Ohio Light Artillery, Battery H
1st Rhode Island Light Artillery, Battery C
1st Rhode Island Light Artillery, Battery E
1st Rhode Island Light Artillery, Battery G
5th United States Artillery, Battery E
5th United States Artillery, Battery M
IX Corps, Army of the Potomac: Major General Ambrose E. Burnside
Provost Guard, IX Corps, Army of the Potomac
First Division, IX Corps, Army of the Potomac: Brigadier General James H. Ledlie
First Brigade, First Division, IX Corps, Army of the Potomac: Colonel Jacob P. Gould (of the 59th MA)
Second Brigade, First Division, IX Corps, Army of the Potomac: Colonel Ebenezer W. Peirce (of the 29th MA)
2nd Pennsylvania (Provisional) Heavy Artillery
Artillery, First Division, IX Corps, Army of the Potomac: Captain John B. Eaton (of the 27th NY Btty) (prior to June 30, 1864); None Listed (June 30, 1864)
Maine Light Artillery, 2nd Battery (B)
Massachusetts Light Artillery, 14th Battery
New York Light Artillery, 27th Battery
Second Division, IX Corps, Army of the Potomac: Brigadier General Robert B. Potter
Acting Engineers, Second Division, IX Corps, Army of the Potomac
First Brigade, Second Division, IX Corps, Army of the Potomac: Lieutenant Colonel Henry Pleasants (of the 48th PA)
2nd New York Mounted Rifles (dismounted)
Second Brigade, Second Division, IX Corps, Army of the Potomac: Brigadier General Simon G. Griffin
Artillery, Second Division, IX Corps, Army of the Potomac: None Listed
Massachusetts Light Artillery, 11th Battery
New York Light Artillery, 19th Battery
Third Division, IX Corps, Army of the Potomac: Brigadier General Orlando B. Willcox
Acting Engineers, Third Division, IX Corps, Army of the Potomac
First Brigade, Third Division, IX Corps, Army of the Potomac: Colonel John F. Hartranft (of the 51st PA)
27th Michigan Infantry (1st and 2nd Companies Michigan Sharpshooters attached)
13th Ohio Cavalry (dismounted)
38th Wisconsin Infantry (4 cos.)
Second Brigade, Third Division, IX Corps, Army of the Potomac: Lieutenant Colonel Walter C. Newberry (of the 24th NY Cav., dismounted) (June 19, 1864); Colonel William Humphrey (of the 2nd MI) (June 19-30, 1864)(assigned from 1/3/IX/AotP on June 19)
24th New York Cavalry (dismounted)
60th Ohio Infantry (9th and 10th Companies Ohio Sharpshooters attached)
Artillery, Third Division, IX Corps, Army of the Potomac: None Listed
Maine Light Artillery, 7th Battery (G)
New York Light Artillery, 34th Battery
Fourth Division, IX Corps, Army of the Potomac: Brigadier General Edward Ferrero
First Brigade, Fourth Division, IX Corps, Army of the Potomac: Colonel Joshua K. Sigfried (of the 48th PA)
Second Brigade, Fourth Division, IX Corps, Army of the Potomac: Colonel Henry G. Thomas (of the 19th USCT)
28th USCT Infantry (June 28-30, 1864)
Artillery, Fourth Division, IX Corps, Army of the Potomac: None Listed
Pennsylvania Light Artillery, Battery D
Vermont Light Artillery, 3rd Battery
Cavalry Corps, Army of the Potomac: Major General Philip H. Sheridan
Escort, Cavalry Corps, Army of the Potomac
First Division, Cavalry Corps, Army of the Potomac: Brigadier General Alfred T. A. Torbert
First Brigade, First Division, Cavalry Corps, Army of the Potomac: Brigadier General George A. Custer
Second Brigade, First Division, Cavalry Corps, Army of the Potomac: Colonel Thomas C. Devin (of the 6th NY Cav)
Reserve Brigade, First Division, Cavalry Corps, Army of the Potomac: Brigadier General Wesley Merritt
19th New York Cavalry (1st Dragoons)
1st Rhode Island Cavalry (June 23-30, 1864)
Second Division, Cavalry Corps, Army of the Potomac: Brigadier General David McM. Gregg
First Brigade, Second Division, Cavalry Corps, Army of the Potomac: Brigadier General Henry E. Davies, Jr.
Second Brigade, Second Division, Cavalry Corps, Army of the Potomac: Colonel J. Irvin Gregg (of the 16th PA Cav)
Third Division, Cavalry Corps, Army of the Potomac: Brigadier General James H. Wilson
Escort, Third Division, Cavalry Corps, Army of the Potomac
8th Illinois Cavalry (detachment)
Provost Guard, Third Division, Cavalry Corps, Army of the Potomac
3rd New Jersey Cavalry (detachment)
First Brigade, Third Division, Cavalry Corps, Army of the Potomac: Colonel John B. McIntosh (of the 3rd PA Cav)
18th Pennsylvania Cavalry (June 23-30, 1864)
Second Brigade, Third Division, Cavalry Corps, Army of the Potomac: Colonel George H. Chapman (of the 3rd IN Cav)
Horse Artillery Brigade, Cavalry Corps, Army of the Potomac: Captain James M. Robertson
1st United States Artillery, Batteries H and I
1st United States Artillery, Battery K (attached to 3rd Cavalry Division)
2nd United States Artillery, Battery A
2nd United States Artillery, Batteries B and L
2nd United States Artillery, Battery D
2nd United States Artillery, Battery M
3rd United States Artillery, Battery C
4th United States Artillery, Batteries C and E (attached to 3rd Cavalry Division)
Department of Virginia and North Carolina: Major General Benjamin F. Butler
Army of the James: Major General Benjamin F. Butler
Signal Corps, Army of the James: Captain Lemuel B. Norton
Engineers, Army of the James
1st New York Engineers (8 cos.)
Unassigned Cavalry, Army of the James
4th Massachusetts Cavalry (Cos. F and G)
Unattached, Army of the James
3rd New York Light Artillery, Battery H
36th USCT Infantry (June ?-30, 1864, came up from Point Lookout, MD on an unspecified date)
38th USCT Infantry (June ?-30, 1864, came up from Portsmouth, VA on an unspecified date)
Siege Artillery, Army of the James: Colonel Henry L. Abbot (of the 1st CT HA)
1st Connecticut Heavy Artillery
13th New York Heavy Artillery, Companies A and H
3rd Pennsylvania Heavy Artillery, Company M
Pontoniers, Army of the James
Massachusetts Heavy Artillery, 13th Company
Naval Brigade, Army of the James: Brigadier General Charles K. Graham
13th New York Heavy Artillery, Company I
13th New York Heavy Artillery, Company K
13th New York Heavy Artillery, Company L
13th New York Heavy Artillery, Company M (maybe, need source)
3rd Pennsylvania Heavy Artillery, Company A
3rd Pennsylvania Heavy Artillery, Company B
3rd Pennsylvania Heavy Artillery, Company G
X Corps, Army of the James: Brigadier General William T. H. Brooks
Unattached, X Corps, Army of the James
4th Massachusetts Cavalry (Cos. I, K, L, M)
1st New York Mounted Rifles (dismounted detachment)
First Division, X Corps, Army of the James: Brigadier General Robert S. Foster (June 19-23?) (Foster was assigned to 3/1/X/AotJ on June 23)(what was BG Alfred H. Terry doing from June 19-23?); Brigadier General Alfred H. Terry (June 23-30, 1864)
First Brigade, First Division, X Corps, Army of the James: Colonel Joshua B. Howell (of the 85th PA)
Second Brigade, First Division, X Corps, Army of the James: Colonel Joseph R. Hawley (of the 7th CT)
Third Brigade, First Division, X Corps, Army of the James: Colonel Harris M. Plaisted (of the 11th ME) (June 19-23 and 30, 1864); Brigadier General Robert S. Foster (June 23-30, 1864)
1st Maryland Cavalry (US) (dismounted)
Artillery Brigade, First Division, X Corps, Army of the James: Captain Loomis L. Langdon
Connecticut Light Artillery, 1st Battery
New Jersey Light Artillery, 5th Battery (E)
3rd Rhode Island Heavy Artillery, Battery C
1st United States Artillery, Battery M
Second Division, X Corps, Army of the James (attached to XVIII Corps, AotJ from June 23-30, 1864): Brigadier General Adelbert Ames (June 19, 1864), Brigadier General John W. Turner (June 19-30, 1864)
First Brigade, Second Division, X Corps, Army of the James: Colonel N. Martin Curtis (of the 142nd NY)
Second Brigade, Second Division, X Corps, Army of the James: Colonel William B. Barton (of the 48th NY)
Third Brigade, Second Division, X Corps, Army of the James: Colonel Louis Bell (of the 4th NH)
Artillery Brigade, Second Division, X Corps, Army of the James (attached to 3/X/AotJ while 2/X/AotJ was attached to XVIII/AotJ from June 23-30, 1864): None Listed (prior to June 30, 1864); Captain George T. Woodbury (of the 4th NJ Btty) (June 30, 1864)
New Jersey Light Artillery, 4th Battery (D)
1st United States Artillery, Battery D
3rd United States Artillery, Battery E
4th United States Artillery, Battery D
Wisconsin Light Artillery, 4th Battery (June ?-30, 1864)
NEW Third Division, X Corps, Army of the James (organized June 19, 1864): Brigadier General Orris S. Ferry
First Brigade, Third Division, X Corps, Army of the James: Brigadier General Gilman Marston
Second Brigade, Third Division, X Corps, Army of the James: Colonel James B. Armstrong (of the 134th OH)
Artillery Brigade, Old Third Division, X Corps, Army of the James (left behind when Old Third Division went to Cold Harbor)
New York Light Artillery, 33rd Battery
XVIII Corps, Army of the James: Major General William F. Smith
Unattached (at HQ), XVIII Corps, Army of the James
4th Massachusetts Cavalry (Cos. E and H)
Provost Guard, XVIII Corps, Army of the James
First Division, XVIII Corps, Army of the James: Brigadier General Gilman Marston (June 19-20, 1864)(assigned to X/AotJ on June 20); Brigadier General George J. Stannard (June 20-30, 1864)
First Brigade, First Division, XVIII Corps, Army of the James: Colonel Edgar M. Cullen (of the 96th NY)
Second Brigade, First Division, XVIII Corps, Army of the James: Brigadier General Hiram Burnham
Third Brigade, First Division, XVIII Corps, Army of the James: Colonel Guy V. Henry (of the 40th MA)
Second Division, XVIII Corps, Army of the James: Brigadier General John H. Martindale
First Brigade, Second Division, XVIII Corps, Army of the James: Brigadier General George J. Stannard (June 18-20, 1864)(assigned to 1/XVIII/AotJ on June 20); Colonel Alexander Piper (of the 10th NY HA)(June 20-30, 1864)
Second Brigade, Second Division, XVIII Corps, Army of the James: Colonel Griffin A. Stedman, Jr. (of the 11th CT)
Third Brigade, Second Division, XVIII Corps, Army of the James: Colonel Augustus A. Gibson (of the 2nd PA HA) (June 19-20, 1864); Brigadier General Adelbert Ames (June 20-30, 1864)
2nd Pennsylvania Heavy Artillery
Third Division, XVIII Corps, Army of the James: Brigadier General Edward W. Hinks
First Brigade, Third Division, XVIII Corps, Army of the James: Brigadier General Edward A. Wild (June 19-23, 1864); Colonel John H. Holman (of the 1st USCT) (June 23-30, 1864)
5th Massachusetts Cavalry (Colored) (dismounted)
Second Brigade, Third Division, XVIII Corps, Army of the James: Colonel Samuel A. Duncan (of the 4th USCT)
Artillery Brigade, XVIII Corps, Army of the James: Colonel Henry S. Burton
3rd New York Light Artillery, Battery E
3rd New York Light Artillery, Battery K
3rd New York Light Artillery, Battery M
New York Light Artillery, 7th Battery
New York Light Artillery, 16th Battery
1st Rhode Island Light Artillery, Battery F
1st United States Artillery, Battery B
2nd United States Colored Artillery, Battery B
4th United States Artillery, Battery L
5th United States Artillery, Battery A
Wisconsin Light Artillery, 4th Battery (June 19-?, 1864)
Cavalry Division, Army of the James: Brigadier General August V. Kautz
First Brigade, Cavalry Division, Army of the James: Colonel Robert M. West (of the 5th PA Cav)
Second Brigade, Cavalry Division, Army of the James: Colonel Samuel P. Spear (of the 11th PA Cav)
1st District of Columbia Cavalry
Union Navy
June 19-30, 1864
Note: Unfortunately there is no source in the Naval Official Records which covers the list of vessels in the area for the Second Offensive. Instead, I’ve assembled this order of battle piecemeal from various sources. For detailed citations regarding captains, stations, armament, and other details, click on the unit pages linked below.
North Atlantic Blockading Squadron
More to come…this OOB may be difficult or impossible to assemble with accuracy.