| Second Lieutenant William E. Barrows, on detached service, A. A. D. C. Third Brigade, Second Division, Second Corps. |
| Co. F. | Capt. Edmund Rice, formerly reported as Major, but never having been mustered, is ordered to be reported in his former position.
Wounded July 3, absent in Massachusetts.
Report corrected and mustered as Major in September, 1863. |
| First Lieut. William Stone, wounded July 3. |
| Second Lieut. John J. Ferris, wounded July 3. |
| Co. E. | First Lieut. John P. Reynolds, Jr., previously reported as captain, but having never been mustered, has been ordered reported in his former position.
Absent in Massachusetts.
Wounded Sept. 17, 1862. |
| Second Lieut. Ephraim Hall, on special duty, acting adjutant. |
| Co. H. | Capt. J. G. C. Dodge, absent in Massachusetts, wounded July 3rd. |
| Co. I. | Capt. Jonathan F. Plympton, in command of regiment. |
| First Lieut. J. G. B. Adams, absent in Massachusetts, wounded July 2. |
| Co. K. | First Lieut. Lysander J. Hume, on detached service, in Provost Marshal's department, Philadelphia. |
| Second Lieut. Charles L. Merrill, absent in General Hospital, Georgetown, sick. |
| Asst. Surgeon William D. Knapp, absent on surgeon's certificate since July 24. |
| Capt. Andrew Mahoney, on account of wounds, transferred to Invalid Corps by S. O. 166, Headquarters Second Corps, July 19, 1863. |
| Capt. James H. Rice, discharged on account of wounds.
S. O. 305, War Department, A. G.O., July 10, 1863. |
| First Lieut. Oliver F. Briggs, discharged S. O. 302, War Dept.
A. G. O., July 8, 1863. |
| First Lieut. Herman Donath, killed in action, July 3. |
| Second Lieut. Sherman S. Robinson, killed in action July 3, 1863. |
