First regiment Massachusetts Cavalry.
| companies. | ||||||||||||||||||||
| Field and staff | Line | A | B | C | D | E | F | G | H | I | I1 | K | K2 | L | L3 | M | M4 | Recruits. | Totals. | |
| Killed and died of wounds,— | ||||||||||||||||||||
| Officers, | 1 | 6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 7 |
| Enlisted men,5 | 1 | – | 10 | 13 | 2 | 13 | 10 | 10 | 6 | 9 | 2 | 4 | 2 | 5 | 1 | 2 | – | 2 | – | 92 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 99 |
| Missing, | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 1 | – | – | – | 2 |
| Died by accident or disease,— | ||||||||||||||||||||
| Officers, | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Enlisted men,6 | 1 | – | 9 | 3 | 5 | 9 | 3 | 3 | 5 | 5 | 5 | 5 | 4 | 5 | 3 | 4 | 6 | 6 | 7 | 88 |
| Died as prisoners,— | ||||||||||||||||||||
| Officers, | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Enlisted men, | – | – | 4 | 1 | 3 | – | 12 | 4 | 4 | 3 | – | 4 | – | 11 | – | 8 | – | 3 | – | 57 |
| Total losses,— | ||||||||||||||||||||
| Officers, | 1 | 6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 7 |
| Enlisted men,7 | 2 | – | 24 | 17 | 10 | 22 | 25 | 17 | 15 | 17 | 7 | 13 | 6 | 21 | 4 | 15 | 6 | 11 | 7 | 239 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 246 |
Casualties by Engagements.
| 1862. | ||||||||||||||||||||
| June 16, Secessionville, S. C., | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | 1 |
| Nov. 3, Snicker's Gap, Va., | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| 1863. | ||||||||||||||||||||
| Mar. 17, Kelly's Ford, Va., | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| May 1, Rapidan, Va., | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| June 3, Warrenton Road, Va., | – | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | 1 |
| June 9, Brandy Station, Va., | – | – | – | 1 | 1 | – | 1 | – | 1 | – | – | – | – | – | – | – | – | – | – | 4 |
| June 17, Aldie, Va., | 1 | – | 7 | 6 | 1 | 11 | – | 1 | 1 | 1 | – | – | – | – | – | – | – | – | – | 29 |
| Sept. 14, Rapidan Station, Va., | – | – | – | – | – | – | 1 | – | – | 2 | – | – | – | – | – | – | – | – | – | 3 |
| Oct. 12, White Sulphur Springs, | – | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | 1 |
| Va. | ||||||||||||||||||||
| Nov. 19, Whitehall, Va., | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | 1 |
| Nov. 27, New Hope Church, Va., | – | – | – | 3 | – | 1 | 1 | 1 | 3 | – | – | – | – | – | – | – | – | – | – | 9 |
| Nov. 29, Parker's Store, Va., | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| 1864. | ||||||||||||||||||||
| Feb. 10, Barber's Ford, Fla., | – | – | – | – | – | – | – | – | – | – | 2 | – | 1 | – | 1 | – | – | – | – | 4 |
| Mar. 1, McGurth's Creek, Fla., | – | – | – | – | – | – | – | – | – | – | – | – | 1 | – | – | – | – | – | – | 1 |
| May 5, 6, Todd's Tavern, Va., | 81 | – | – | 1 | – | – | – | – | – | – | – | – | – | 2 | – | 1 | – | – | – | 5 |
| May 14, Ashland, Va., | 1 | – | – | – | – | – | 2 | 3 | – | – | – | – | – | – | – | 1 | – | – | – | 7 |
| May 28, Salem Church, Va., | 1 | – | – | 1 | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 3 |
| June –, Place unknown, | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| June 24, St. Mary's Church, Va., | – | – | – | 1 | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | 2 |
| July 28, New Market, Va., | – | – | 1 | – | – | – | 1 | 2 | – | 2 | 1 | – | – | – | – | – | – | – | – | 7 |
| July 30, Lee's Mills, Va., | – | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| Aug. 14-18, Malvern Hill (Deep Bottom), Va. | – | – | – | – | – | – | – | 1 | – | 1 | – | – | – | – | 1 | – | – | – | – | 3 |
| Aug. 23, Reams' Station, Va., | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 | – | – | – | 1 | – | 2 |
| Sept. 16, Jerusalem Road. Va., | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | – | 1 | – | 3 |
| Oct. 1, Vaughan Road, Va., | – | – | – | – | – | – | – | – | – | – | – | 2 | – | – | – | – | – | – | – | 2 |
| Oct. 14, Place unknown, | – | – | 1 | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | 2 |
| Dec. 9, Bellefield Station, Va., | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| 1865. | ||||||||||||||||||||
| April 30, Lynchburg, Va., | – | – | – | – | – | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | 1 |
| Place unknown, | – | – | 1 | – | – | – | 1 | – | – | 1 | – | 1 | – | – | – | – | – | – | – | 4 |
