May 1861 • to June >
Commanded by:
Brigadier General Philip St. George Cocke, Commonwealth of Virginia (to 5/21)
Brigadier General Milledge Bonham, C.S.A.
| 1st South Carolina Infantry Regiment | Colonel Maxcy Gregg | from Richmond 5/24 |
| 2nd South Carolina Infantry Regiment | Colonel Joseph B. Kershaw | from Richmond 5/25 |
| 1st Company Richmond Howitzers | Captain John C. Shields | from Richmond 5/26 |
| Alexandria, VA Militia | Lt. Colonel A. S. Taylor | from Alexandria to Manassas 5/5 |
| Alexandria Riflemen | Captain M. Marye | |
| Mount Vernon Guards | Captain S.H. DeVaughn |