United States Army > Army of the Potomac


< to May • June 1864 • to July >

Commanded by Major General Gouverneur K. Warren

The Fifth Corps underwent considerable organization in June after two months of heavy casualties.

Provost Guard

12th New York Infantry, Cos. D&F Major Henry W. Ryder

First Division

Brigadier General Charles Griffin
First Brigade (to 6/5) Brigadier General Romeyn Ayers discontinued 6/5
140th New York Infantry Regiment to 2 Div., 1 Brig.
146th New York Infantry Regiment to 2 Div., 1 Brig.
91st Pennsylvania Infantry Regiment to 2 Div., 1 Brig.
155th Pennsylvania Infantry Regiment to 2 Div., 1 Brig.
2nd United States Infantry Regiment to 2 Div. Provost Guard
11th United States Infantry Regiment to 2nd Div., 1st Brig.
12th United States Infantry Regiment to 2nd Div., 1st Brig.
14th United States Infantry Regiment
17th United States Infantry Regiment to 2nd Div., 1st Brig.
First Brigade (reorganized 6/6) Brigadier General Joshua L. Chamberlain (w 6/18)
Colonel W. S. Tilton
from 4 Div., 3 Brig.
121st Pensylvania Infantry Regiment
142nd Pensylvania Infantry Regiment
143rd Pensylvania Infantry Regiment
149th Pensylvania Infantry Regiment
150th Pensylvania Infantry Regiment Colonel H. S. Huidekoper
187th Pensylvania Infantry Battalion Lt. Colonel Joseph F. Ramsey from Harrisburg
Second Brigade Colonel J. B. Sweitzer
9th Massachusetts Infantry Regiment Colonel Patrick R. Guiney left front for home to muster out
22nd Massachusetts Infantry Regiment Colonel William S. Tilton
32nd Massachusetts Infantry Regiment Lieutenant Colonel Luther Stephenson
4th Michigan Infantry Regiment Lieutenant Colonel George Lumbard mustered out 6/30
62nd Pennsylvania Infantry Regiment Lieutenant Colonel James C. Hull
91st Pensylvania Infantry Regiment from 2 Div., 1 Brig.
155th Pensylvania Infantry Regiment Colonel Alfred L. Pearson from 2 Div., 1 Brig.
21st Pennsylvania Cavalry (Dismounted) from 2 Div., 1 Brig.
Third Brigade Brigadier General J. J. Bartlett
20th Maine Infantry Regiment
18th Massachusetts Infantry Regiment
1st Michigan Infantry Regiment Lieutenant Colonel William A. Throop
16th Michigan Infantry Regiment Lieutenant Colonel Norval E. Welch
44th New York Infantry Regiment Lieutenant Colonel Freeman Conner
83rd Pennsylvania Infantry Regiment Major William H. Lamont
118th Pennsylvania Infantry Regiment Lieutenant Colonel James Gwynn

Second Division

Before reorganization 6/5

Brigadier General H. H. Lockwood (to 6/2)
Brigadier General Samuel W. Crawford (to 6/5)
First Brigade (until 6/5) Colonel Peter Lyle
16th Maine Infantry Regiment Lieutenant Colonel Charles W. Tilden to
3 Div. 1 Brig.
13th Massachusetts Infantry Regiment
39th Massachusetts Infantry Regiment Colonel Phineas S. Davis
94th New York Infantry Regiment Lieutenant Colonel Samuel Moffett
104th New York Infantry Regiment Colonel Gilbert G. Prey
90th Pennsylvania Infantry Regiment Lieutenant Colonel William A. Leech
107th Pennsylvania Infantry Regiment Major Henry J. Shaefer
Second Brigade (until 6/5) Brigadier General H. Baxter (to 5/6)
Colonel Richard Coulter (to 5/8)
12th Massachusetts Infantry Regiment Major Benjamin F. Cook to
3 Div. 2 Brig.
83rd New York Infantry (9th NYSM)
97th New York Infantry Regiment Major Charles Northrup
11th Pennsylvania Infantry Regiment Colonel R. Coulter
88th Pennsylvania Infantry Regiment Captain Edmund Y. Patterson
Third Brigade (until 6/5) Colonel Andrew W. Denison (w 5/8)
Colonel Charles E. Phelps (w 5/8)
Colonel Richard N. Bowerman (5/22)
Colonel Nathan T. DuShane
1st Maryland Infantry Regiment  Lieutanant Colonel John W. Wilson redesignated
2nd Brigade
6/5
4th Maryland Infantry Regiment  Colonel Richard N. Bowerman
7th Maryland Infantry Regiment  Colonel Charles E. Phelps (^ 5/8)
8th Maryland Infantry Regiment  Colonel Andrew W. Denison
Purnell Legion Maryland Infantry Colonel Samuel A. Graham

Second Division

after reorganization on 6/5

Brigadier General Romeyn B. Ayres
First Brigade reorganized Colonel E. M. Gregory (to 6/20)
Brigadier General Joseph Hayes
140th New York Infantry Regiment from 1 Brig. 1 Div.
mustered out 6/3
146th New York Infantry Regiment from 1 Brig. 1 Div.
91st Pennsylvania Infantry Regiment from 1 Brig. 1 Div.
to 2 Brig. (below)
155th Pennsylvania Infantry Regiment from 1 Brig. 1 Div.
to 2 Brig. (below)
2nd United States Infantry Regiment from 1 Brig. 1 Div.
4th United States Infantry Regiment from 1 Brig. 1 Div. 9 Corps
to Army HQ 6/22
11th United States Infantry Regiment from 1 Brig. 1 Div.
12th United States Infantry Regiment from 1 Brig. 1 Div.
17th United States Infantry Regiment from 1 Brig. 1 Div.
Second Brigade reorganized Colonel Nathan T. DuShane redesignated from 3 Brig.
1st Maryland Infantry Regiment Lieutanant Colonel John W. Wilson
4th Maryland Infantry Regiment  Colonel Richard N. Bowerman
7th Maryland Infantry Regiment
8th Maryland Infantry Regiment  Colonel Andrew W. Denison
Purnell Legion Maryland Infantry Colonel Samuel A. Graham
91st Pennsylvania Infantry Regiment from 1 Brig. (above)
155th Pennsylvania Infantry Regiment from 1 Brig. (above)
Third Brigade reorganized Colonel J. Howard Kitching
6th New York Heavy Artillery from Kitching’s Ind. Brig.
15th New York Heavy Artillery

Third Division

recreated 6/6

Brigadier General Samuel W. Crawford
First Brigade Colonel Peter Lyle
16th Maine Infantry Regiment from 2 Div. 1 Brig.
13th Massachusetts Infantry Regiment from 2 Div. 1 Brig.
39th Massachusetts Infantry Regiment Colonel P. Stearns Davis from 2 Div. 1 Brig.
94th New York Infantry Regiment from 2 Div. 1 Brig.
to 2 Brig. (below)
104th New York Infantry Regiment Colonel Gilbert G. Prey from 2 Div. 1 Brig.
90th Pennsylvania Infantry Regiment from 2 Div. 1 Brig.
107th Pennsylvania Infantry Regiment from 2 Div. 1 Brig.
Second Brigade Colonel James L. Bates (to 6/25)
Brigadier General Henry Baxter
12th Massachusetts Infantry Regiment  Major Benjamin F. Cook from 2 Div., 2 Brig.
ordered home to muster out 6/25
 83rd New York Infantry Regiment  Lieutenant Colonel William Chalmers from 2 Div., 2 Brig.
ordered home to muster out 6/7
 94th New York Infantry Regiment  from 1 Brig. (above) 6/11
 97th New York Infantry Regiment from 2 Div., 2 Brig.
11th Pennsylvania Infantry Regiment from 2 Div., 2 Brig.
88th Pennsylvania Infantry Regiment from 2 Div., 2 Brig.
Third Brigade Colonel William Hartshorne (to 6/6)
Colonel James Carle
190th Pensylvania Infantry Regiment Lieutenant Colonel Joseph Pattee (w 6/17)
191st Pensylvania Infantry Regiment Colonel James Carle (^ 6/6)

Fourth Division

Brigadier General Lysander Cutler
First Brigade (“Iron Brigade”) Colonel William W. Robinson (res. 6/7)
Colonel Edward S. Bragg (to BG 6/24)
7th Indiana Infantry Regiment Colonel Ira G. Grover
19th Indiana Infantry Regiment
24th Michigan Infantry Regiment Colonel Henry A. Morrow
1st New York Sharpshooter Battalion Captain Volney J. Shipman
6th Wisconsin Infantry Regiment Colonel Edward Bragg (^)
Lieutenant Colonel John Mansfield
7th Wisconsin Infantry Regiment Major Mark Finnicum
Second Brigade Colonel J. W. Hoffman
3rd Delaware Infantry
4th Delaware Infantry from 22 Corps, Tyler’s Div.
46th New York Infantry Regiment to 2 Brig. 3 Div. 9 Corps 6/11
76th New York Infantry Regiment Major John W. Young
95th New York Infantry Regiment Major Edward Pye
147th New York Infantry Regiment Major George Harney
56th Pennsylvania Infantry Regiment
157th Pennsylvania Infantry Regiment
Third Brigade Colonel Edward S. Bragg (to 6/4)
121st Pensylvania Infantry Regiment Captain Samuel T. Lloyd to
1 Div. 1 Brig. 6/4
142nd Pensylvania Infantry Regiment Major Horatio N. Warren
143rd Pensylvania Infantry Regiment Colonel Edmund L. Dana
149th Pensylvania Infantry Regiment Lieutenant Colonel John Irvin
150th Pensylvania Infantry Regiment Captain George W. Jones

Division Provost Guard

2nd Wisconsin Infantry Regiment/
Independent Battalion Wisconsin Volunteers
Captain Dennis B. Daily Sent home to muster out 6/11. Non-Veterans consolidated to battalion

Kitching’s Brigade

Colonel J. Howard Kitching
6th New York Heavy Artillery to 2 Div. 3 Brig. (above)
15th New York Heavy Artillery to 2 Div. 3 Brig. (above)

Artillery

Captain Augustus P. Martin
3rd Massachusetts Battery Lieutenant Aaron F. Walcott
5th Massachusetts Battery Captain Charles A Phillips
9th Massachusetts Battery
1st New York Artillery, Battery B
1st New York Artillery, Battery C
1st New York Artillery, Battery D
1st New York Artillery, Battery E
1st New York Artillery, Battery H
1st New York Artillery, Battery L
15th New York Independent Battery
4th New York Heavy Artillery, 2nd Battalion to 2 Corps, 3 Div., 2 Brig.
1st Pennsylvania Artillery, Battery B
4th United Artillery, Battery B
5th United Artillery, Battery D