United States Army > Army of the Potomac


< to June July 1863 • to August >

Commanded by:
Major General Daniel Sickles (w 7/2)
Major General David B. Birney (to 7/7)
Major General William H. French

The Third Division was reorganized from units of the 8th Corps on July 10, 1863

First Division

Major General David Birney (to 7/2)
Brigadier General J. H. Hobart Ward (to 7/7)
Major General David Birney
First Brigade Brigadier General Charles K. Graham (w&c 7/2)
Colonel Andrew H. Tippin (to 7/3)
Colonel Henry J. Madill
57th Pennsylvania Infantry Regiment Colonel Peter Sides (w 7/2)
Major William B. Neeper (w&c 7/2)
Captain Alanson H. Nelson (w 7/2)
63rd Pennsylvania Infantry Regiment Lieutenant Colonel John A. Danks
68th Pennsylvania Infantry Regiment Colonel Andrew H. Tippin
105th Pennsylvania Infantry Regiment Colonel Calvin A. Craig
114th Pennsylvania Infantry Regiment Lieutenant Colonel Frederick F. Cavada (c 7/2)
Captain Edward R. Bowen
141st Pennsylvania Infantry Regiment Colonel Henry J. Madill (to 7/3)
Major Israel Spaulding (mw&c 7/2)
Captain Joseph H. Horton
Second Brigade Brigadier General J. H. H. Ward (to 7/2)
Colonel Hiram Berdan (to 7/7)
Brigadier General J. H. H. Ward
20th Indiana Infantry Regiment Colonel John Wheeler (k 7/2)
Lieutenant Colonel C. L. Taylor
3rd Maine Infantry Regiment Colonel Moses B. Lakeman
4th Maine Infantry Regiment Colonel Elijah Walker (w 7/2)
Captain Edwin Libby
124th New York Infantry Regiment Colonel Augustis Van Horne Ellis (k 7/2)
Lieutenant Colonel Francis M. Cummings
99th Pennsylvania Infantry Regiment Colonel Asher S. Leidy
1st United States Sharpshooters Colonel Hiram Berdan (to 7/2)
Lieutenant Colonel Caspar Trepp (to 7/7)
Colonel Hiram Berdan
2nd United States Sharpshooters Major Homer R. Stoughton
Third Brigade Colonel Regis De Trobriand
17th Maine Infantry Regiment Lieutenant Colonel Charles B. Merrill
3rd Michigan Infantry Regiment Colonel Byron R. Pierce (w 7/2)
Lieutenant Colonel Edwin S. Pierce
5th Michigan Infantry Regiment Lieutenant Colonel John Pulford (w 7/2)
40th New York Infantry Regiment Colonel Thomas W. Egan
110th Pennsylvania Infantry Regiment Lieutenant Colonel David M. Jones (w 7/2)
Major Isaac Rogers

Second Division

Major General Andrew A. Humphreys (to 7/9)
Brigadier General Joseph B. Carr (to 7/10)
Brigadier General Henry Prince
First Brigade Brigadier General Joseph B. Carr 
1st Massachusetts Infantry Regiment Lieutenant Colonel Clark B. Baldwin
11th Massachusetts Infantry Regiment Lieutenant Colonel Porter D. Tripp
16th Massachusetts Infantry Regiment Lieutenant Colonel Waldo Merriam (w 7/2)
Captain Matthew Donovan
12th New Hampshire Infantry Regiment Captain John F. Langley (w 7/2)
Lieutenant William Fernal(to 7/2)
Captain Asa Bartlett
from 3 Div., 2 Brig. (below) 7/10
to Point Lookout, Md.
11th New Jersey Infantry Regiment Colonel Robert McAllister (w 7/2)
Major Philip J. Kearny (mw 7/2)
Captain Luther Martin (k 7/2)
Captain Andrew H. Ackerman (k 7/2)
Captain William H. Lloyd (w 7/2)
1st Lieutenant John Schoonover (w 7/2)
Captain Samuel T. Sleeper
26th Pennsylvania Infantry Regiment Major Robert L. Bodine
84th Pennsylvania Infantry Regiment Lieutenant Colonel Milton Opp from 3 Div., 2 Brig. (below) 7/10
Second Brigade Colonel William R. Brewster (to 7/2)
Colonel John E. Farnum (to 7/11)
Brigadier General Francis B. Spinola (w 7/23)
Colonel John E. Farnum
70th New York Infantry Regiment Colonel J. Egbert Farnum (^ 7/2)
Major William H. Hugo (to 7/11)
Colonel J. Egbert Farnum (^ 7/23)
Major William H. Hugo
71st New York Infantry Regiment Colonel Henry L. Potter (w 7/2)
72nd New York Infantry Regiment Colonel William O. Stevens (w 7/2)
Lieutenant Colonel John Leonard
73rd New York Infantry Regiment Major Michael Burns
74th New York Infantry Regiment Lieutenant Colonel Thomas Holt
120th New York Infantry Regiment Lieutenant Colonel Cornelius D. Westbrook
Third Brigade  Colonel George C. Burling
2nd New Hampshire Infantry Regiment Colonel Edward L. Bailey to Point Lookout, Md.
5th New Jersey Infantry Regiment Colonel William J. Sewell (w 7/2)
Captain Henry H. Woolsey (w 7/2)
6th New Jersey Infantry Regiment Lieutenant Colonel Stephen R. Gilkyson
7th New Jersey Infantry Regiment Colonel Louis Francine (mw 7/2)
Major Frederick Cooper (to 7/23)
Colonel Francis Price
8th New Jersey Infantry Regiment Colonel John Ramsey (w 7/2)
Captain John Langton
115th Pennsylvania Infantry Regiment Major John P. Dunne

Third Division

Brigadier General W. L. Elliott
recreated 7/10
First Brigade Colonel William H. Morriss
14th New Jersey Infantry Regiment Colonel William S. Truex from 8 Corps, French, 3rd Brig.
6th New York Heavy Artillery Regiment Colonel John Howard Kitching
151st New York Infantry Regiment Colonel William Emerson
10th Vermont Infantry Regiment Lieutenant Colonel William W. Henry
Second Brigade Colonel Joseph W. Keiffer
6th Maryland Infantry Regiment Colonel John W. Horn from 8th Corps, Elliott, 1st Brig.
110th Ohio Infantry Regiment Colonel Joseph W. Keifer
122nd Ohio Infantry Regiment Colonel William H. Ball
138th Pennsylvania Infantry Regiment Colonel Matthew R. McClennan
Third Brigade Colonel Benjamin F. Smith
106th New York Infantry Regiment Colonel Edward C. James from 8 Corps, French, 3rd Brig.
67th Pennsylvania Infantry Regiment Colonel John F. Staunton from 8th Corps, Elliott, 1st Brig.
87th Pennsylvania Infantry Regiment Colonel John W. Schall from Dept. Susquehanna
126th Ohio Infantry Regiment Colonel Benjamin F. Smith from 8 Corps, French, 3rd Brig.
Artillery
4th Maine Battery from 8th Corps, French’s Div.
10th Massachusetts Battery from 8th Corps, French’s Div.
1st New Jersey Artillery, Battery B Captain A. Judson Clark
1st New York Artillery, Battery D Captain George B. Winslow
4th New York Independent Battery Captain James E. Smith to Artillery Reserve, 1st Vol. Brig.
10th New York Independent Battery to Artillery Reserve, 1st Vol. Brig.
12th New York Independent Battery from 22nd Corps, Camp Berry
Keystone Pennsylvania Battery from 22nd Corps, Camp Berry
1st Rhode Island Artillery, Battery E
4th United States Artillery, Battery K Lieutenant Francis W. Seeley (w 7/2)
2nd Lieutenant Robert James