The United States Army > Army of the Potomac


< to August • September 1863to October >

Commanded by Brigadier General Alfred Pleasonton

First Division

Brigadier General Wesley Merritt (to 9/15)
Brigadier General John Buford 
First Brigade Colonel William Gamble (to 9/2)
Colonel George Chapman
8th Illinois Cavalry Regiment Major John L. Beverage
12th Illinois Cavalry Regiment Colonel George H. Chapman
3rd Indiana Cavalry Regiment, Cos. A-F Major William S. McClure attached to 12th Il Cav. (above)
8th New York Cavalry Regiment Lieutenant Colonel William L. Markell
Second Brigade Colonel Thomas C. Devin
4th New York Cavalry Regiment Lieutenant Colonel Augustus Pruyn
6th New York Cavalry Regiment Major William E. Beardsley
9th New York Cavalry Regiment Colonel William A. Sackett
17th Pennsylvania Cavalry Regiment Colonel Josiah H. Kellogg
3rd West Virginia Cavalry, Cos. A & C Captain Seymour B. Conger
Reserve Brigade Colonel A. Gibbs (to 9/15)
Brigadier General Wesley Merritt
1st United States Cavalry Regiment Captain Ricjard S. C. Lord
2nd United States Cavalry Regiment Captain Theo. F. Rodenbaugh
5th United States Cavalry Regiment Captain Julis W. Mason
6th United States Cavalry Regiment 2nd Lieutenant Nicholas Nolan
6th Pennsylvania Cavalry Regiment Major Henry C. Whelan

Second Division

Colonel John I. Gregg (to 9/24)
Brigadier General David McM. Gregg 

First Brigade Colonel John B. McIntosh
1st Maryland Cavalry Regiment Lieutenant Colonel James M. Deems
1st Massachusetts Cavalry Regiment Lieutenant Colonel Greely S. Curtis
1st New Jersey Cavalry Regiment Major Myron H. Beaumont
6th Ohio Cavalry Regiment Major Benjamin C. Stanhope
1st Pennsylvania Cavalry Regiment Colonel John P. Taylor
3rd Pennsylvania Cavalry Regiment Lieutenant Colonel Edward S. Jones
1st Rhode Island Cavalry Regiment Lieutenant Colonel John L. Thompson
Second Brigade Colonel C. H. Smith (to 9/14)
Colonel John I. Gregg
Orton’s District of Columbia Cavalry Co. Captain William H. Orton
1st Maine Cavalry Regiment Lieutenant Colonel Charles H. Smith
10th New York Cavalry Regiment Major Matthew H. Avery
4th Pennsylvania Cavalry Regiment Lieutenant Colonel William E. Doster
13th Pennsylvania Cavalry Regiment Major Michael Kervin
16th Pennsylvania Cavalry Regiment Lieutenant Colonel Lorenzo D. Rogers

Third Division

Brigadier General Judson Kilpatrick
First Brigade Colonel Henry E. Davies
2nd New York Cavalry Regiment Colonel Henry E. Davies
5th New York Cavalry Regiment Major John Hammond
18th Pennsylvania Cavalry Regiment Lieutenant Colonel William Penn Brinton
1st West Virginia Cavalry Regiment Colonel Nathaniel P. Richmond
Second Brigade  Brigadier General George A. Custer
1st Michigan Cavalry Regiment Colonel Charles H. Town
5th Michigan Cavalry Regiment Major Luther S. Trowbridge
6th Michigan Cavalry Regiment Colonel George Grey
7th Michigan Cavalry Regiment Colonel William D’Anton Mann
1st Vermont Cavalry Regiment Lieutenant Colonel Addison W. Preston

1st Brigade Horse Artillery

Captain James M. Robertson
6th New York Indpendent Battery Captain Joseph W. Martin
2nd United States Artillery, Batteries B&L Lieutenant Edward Heaton
2nd United States Artillery, Batteries D Lieutenant Edward B. Wiliston
2nd United States Artillery, Battery M Lieutenant Alexander C. M. Pennington
4th United States Artillery, Battery A Lieutenant William D. Fuller
4th United States Artillery, Battery E Lieutenant Samuel S. Elder

2nd Brigade Horse Artillery

Captain John Caldwell Tidball
1st Michigan Artillery, Battery L Captain Jabez Daniels
1st United States Artillery, Batteries E&G Captain Alanson M. Randol
1st United States Artillery, Battery K Captain William M. Graham Jr.
2nd United States Artillery, Battery A 2nd Lieutenant John H. Calef
2nd United States Artillery, Battery G Lieutenant John H. Butler
3rd United States Artillery, Battery C 1st Lieutenant William D. Fuller