A. S. Williams
| Brigadier General | Apr. 4, 1862, to June 26, 1862. | 1st Division, Department of the Shenandoah | |
| Brigadier General | Aug. 31, 1863, to Sept. 13, 1863. | Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | July 1, 1863, to July 4, 1863. | Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | July 4, 1863, to Aug. 31, 1863. | 1st Division, Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | June 26, 1862, to Sept. 4, 1862. | 1st Division, Second Army Corps, Army of Virginia | |
| Brigadier General | March 13, 1862, to Apr. 4, 1862. | 1st Division, Fifth Army Corps, Army of the Potomac | |
| Brigadier General | Oct. 18, 1861, to March 13, 1862. | 1st Brigade, Bank's Division, Army of the Potomac | |
| Brigadier General | Oct. 20, 1862, to July 1, 1863. | 1st Division, Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | Sept. 12, 1862, to Sept. 17, 1862. | 1st Division, Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | Sept. 13, 1863, to Sept. 25, 1863. | 1st Division, Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | Sept. 17, 1862, to Oct. 20, 1862. | Twelfth Army Corps, Army of the Potomac | |
| Brigadier General | Sept. 4, 1862, to Sept. 12, 1862. | Second Army Corps, Army of Virginia | |
| Brigadier General | To July 25, 1861. | 3d Brigade, 1st Division, Department of Pennsylvania |
