
Organized at New York City August 7 to November 4, 1861.
Left New York for Washington, D.C., November 28, 1861.
| November 1861 to March 1862 | Meagher's Brigade, Sumner's Division, Army of the Potomac |
| March 1862 to June 1864 | 2nd Brigade, 1st Division, 2nd Army Corps, Army of the Potomac |
| June 1864 to November 1864 | Consolidated Brigade, 1st Division, 2nd Army Corps |
| November 1864 to June 1865 | 2nd Brigade, 1st Division, 2nd Army Corps |