United States Army > Army of the Potomac
< to August • September 1862 • to October >
Commanded by Major General Samuel P. Heintzelman
The death of Kearney at the Battle of Chantily and the transfer of Hooker to command the First Corps changed the command structures of both divisions of the Third Corps. The corps was assigned to the Washington Defenses during the Maryland Campaign and missed the Battle of Antietam.
First Division |
Brigadier General P. Kearney (k 9/1) Brigadier General David Birney (9/1 – 9/13) Brigadier General George Stoneman |
|
| First Brigade | Brigadier General John C. Robinson | |
| 20th Indiana Infantry Regiment | Colonel William L. Brown | |
| 87th New York Infantry Regiment | Colonel Stephen A. Dodge | consolidated with 40th New York |
| 63rd Pennsylvania Infantry Regiment | Colonel Alexander Hays (to 9/29) Major William S. Kirkwood |
|
| 105th Pennsylvania Infantry Regiment | Colonel William W. Corbet (res. 9/10) Colonel Amor A. McKnight |
|
| 141st Pennsylvania Infantry Regiment | Colonel Henry J. Madill | from Washington |
| Second Brigade | Brigadier General David Birney (9/1 & after 9/13) Colonel J. H. H. Ward (9/1 – 9/13) |
|
| 3rd Maine Infantry Regiment | Colonel Henry G. Staples | |
| 4th Maine Infantry Regiment | Colonel Elijah Walker | |
| 1st New York Infantry Regiment | Colonel Garrett W. Dyckman | to 3 Brig. (below) |
| 38th New York Infantry Regiment | Colonel John H.H. Ward | |
| 40th New York Infantry Regiment | Colonel Thomas W. Egan | |
| 101st New York Infantry Regiment | Colonel George F. Chester | |
| 57th Pennsylvania Infantry Regiment | Colonel Charles T. Campbell | |
| Third Brigade | Colonel Orlando Poe Brigadier General Hiram Berry |
|
| 2nd Michigan Infantry Regiment | ||
| 3rd Michigan Infantry Regiment | Colonel Stephen Champlin (w 9/30) Major Byron R. Pierce (Lt. Col. 9/24) |
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| 5th Michigan Infantry Regiment | Lt. Colonel John Pulford | |
| 1st New York Infantry Regiment | Colonel Garrett W. Dyckman | from 2 Brig. (above) |
| 37th New York Infantry Regiment | Colonel Samuel B. Hayman | |
| 55th New York Infantry Regiment | Colonel Philippe Regis DeTrobriand | from 4 Corps, 1 Div. 2 Bde. |
| 99th Pennsylvania Infantry Regiment | Colonel Asher Leidy | |
| Division Artillery | ||
| 1st Rhode Island Artillery, Battery E | ||
| 3rd United States Artillery, Batteries F&K | from 5 Corps Artillery Res. | |
Second Division |
Brigadier General Joseph Hooker (to 9/5) Brigadier General Daniel E. Sickles |
|
| First Brigade | Brigadier General Cuvier Grover (to 9/16) Brigadier General Joseph B. Carr |
|
| 2nd New Hampshire Infantry Regiment | Colonel Gilman Marston | |
| 1st Massachusetts Infantry Regiment | Colonel Robert Cowdin | |
| 11th Massachusetts Infantry Regiment | Colonel William Blaisdell | |
| 16th Massachusetts Infantry Regiment | Major Gardner Banks | |
| 26th Pennsylvania Infantry Regiment | Major Casper M. Berry | |
| Second Brigade | Colonel Nelson Taylor (to 9/5) Colonel George B. Hall |
|
| 70th New York Infantry Regiment | Captain Charles L. Young | |
| 71st New York Infantry Regiment | Captain Owen Murphy | |
| 72nd New York Infantry Regiment | Captain Harman J. Bliss | |
| 73rd New York Infantry Regiment | Captain Michael W. Burns | |
| 74th New York Infantry Regiment | Major Edward L. Price | |
| Third Brigade | Brigadier General Francis E. Patterson | |
| 5th New Jersey Infantry Regiment | Colonel Samuel H. Starr | |
| 6th New Jersey Infantry Regiment | Lt. Col. George C. Burling (Col. 9/10) | |
| 7th New Jersey Infantry Regiment | Colonel Joseph W. Revere | |
| 8th New Jersey Infantry Regiment | Colonel Adolphus J. Johnston | |
| 2nd New York Infantry Regiment | Captain Sidney W. Park (Col. 9/8) | |
| 115th Pennsylvania Infantry Regiment | Colonel Robert E. Patterson | |
| Division Artillery | ||
| 1st New Jersey Artillery, Battery B | ||
| 4th New York Independent Battery | ||
| 1st United States Artillery, Battery H | ||
| 4th United States Artillery, Battery K | ||
Corps Artillery |
||
| 1st New York Artillery, Battery D | ||
| 4th New York Independent Battery | ||
| 6th New York Independent Battery | ||