< to September • October 1861 • to November >

Commanded by Major General John Dix

Infantry
2nd Delaware Infantry Regiment Colonel W. Henry Wharton from Wilmington 10/7
21st Indiana Infantry Regiment Colonel James W. McMillan
1st Maryland Eastern Shore Regiment Colonel James Wallace
2nd Maryland Eastern Shore Regiment Colonel Edward Wilkins Organized at Charlestown, Md.
2nd Maryland Infantry Regiment Colonel John Sommer
3rd Maryland Infantry Regiment Colonel John C. McConnell
5th Maryland Infantry Regiment Colonel William L. Schley
Patapsco Maryland Guard Colonel James W. McMillan
17th Massachusetts Infantry Regiment Colonel Thomas I.C. Amory
7th Maine Infantry Regiment Col. Thomas Marshall (died 10/25)
Lt. Colonel Edward C. Mason
 to Smith’s Div., Davidson’s Bde.
10th Maine Infantry Regiment Colonel George L. Beale  from Portland 10/6
6th Michigan Infantry Regiment Colonel Frederick W. Curtenius
3rd New York Infantry Regiment Colonel Samuel M. Alford
4th New York Infantry Regiment Colonel Alfred W. Taylor
5th New York Infantry Regiment Colonel Abram Duryea (to BG. 9/10)
Colonel Gouverneur K. Warren
87th Pennsylvania Infantry Regiment Colonel George Hay
Artillery & Cavalry
Battery A, Maryland Light Artillery Organized at Baltimore, Md.
Battery B, Maryland Light Artillery Organized at Baltimore, Md.
2nd United States Artillery, Battery I at Fort McHenry
1st Maryland Cavalry Regiment Colonel Andrew G. Miller