< to July • August 1861
Commanded by Brigadier General Daniel Tyler*
The 1st Division was discontinued on August 17, 1861
| First Brigade |
Colonel Erasmus Keyes |
|
| 2nd Maine Infantry Regiment |
Colonel Charles D. Jameson |
to Potomac, Fort Corcoran |
| 2nd Connecticut Infantry Regiment |
Colonel A. H. Terry |
mustered out 8/7 |
| 3rd Connecticut Infantry Regiment |
Colonel J. Chatfield |
mustered out 8/12 |
| Second Brigade |
Brig. Gen. Robert C. Schenck** |
| 2nd New York State Militia |
Colonel G. W. B. Tompkins |
to Potomac, Stone’s Brig. |
| New York Artillery, Battery B |
Captain Thaddeus P. Mott |
to Potomac, Smith’s Brig. |
| 2nd United States Artillery, Battery E |
Captain Carlisle |
to Dept. Potomac |
| Third Brigade |
Colonel W. T. Sherman |
|
| 13th New York Infantry Regiment |
Colonel Isaac F. Quinby |
to Potomac, Fort Corcoran |
| 79th New York Infantry Regiment |
Lt. Colonel S.M. Elliott |
to Potomac, Smith’s Brig. |
| 2nd Wisconsin Infantry Regiment |
Colonel P. S. Coon |
to Potomac, Fort Corcoran |
| 3rd United States Artillery, Battery E |
Captain Ayers |
to Dept. Potomac, Sherman’s Brig. |
| Fourth Brigade |
Colonel Israel Richardson |
|
| 1st Massachusetts Infantry Regiment |
Colonel R. Cowdin |
to Dept. Potomac, Hooker’s Brig. |
| 12th New York Infantry Regiment |
Colonel E. L. Walrath |
to Dept. Potomac, Richardson’s Brig. |
| 2nd Michigan Infantry Regiment |
Major A. W. Williams |
to Dept. Potomac, Richardson’s Brig. |
| 3rd Michigan Infantry Regiment |
Colonel D. McConnel |
to Dept. Potomac, Richardson’s Brig. |
| 1st United States Artillery, Battery G |
Lieutenant J. Edwards |
to Dept. Potomac, Richardson’s Brig. |
| 2nd United States Artillery, Battery M |
Captain H. J. Hunt |
to Dept. Potomac, Franklin’s Brig. |
*Tyler’s commission was in the Connecticut militia
**Schenk’s commission was in the United States Volunteers
