Twentieth regiment Massachusetts Infantry.
| Field and Staff. | Line. | companies. | Unassigned Recruits. | Totals. | ||||||||||
| A | B | C | D | E | F | G | H | I | K | |||||
| Killed and died of wounds,— | ||||||||||||||
| Officers, | 4 | 10 | – | – | – | – | – | – | – | – | – | – | – | 14 |
| Enlisted men, | – | – | 25 | 12 | 16 | 31 | 16 | 28 | 19 | 29 | 34 | 19 | – | 229 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | 243 |
| Missing, | – | – | 2 | – | 1 | – | 4 | – | 1 | – | 2 | – | – | 10 |
| Died by accident or disease,— | ||||||||||||||
| Officers, | – | 2 | – | – | – | – | – | – | – | – | – | – | – | 2 |
| Enlisted men, | – | – | 12 | 6 | 11 | 4 | 3 | 4 | 8 | 5 | 4 | 7 | 4 | 68 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | 70 |
| Died as prisoners,— | ||||||||||||||
| Officers, | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Enlisted men, | – | – | 13 | 8 | 4 | 2 | 7 | 1 | 11 | 4 | 11 | 5 | 3 | 69 |
| Total losses,— | ||||||||||||||
| Officers, | 4 | 12 | – | – | – | – | – | – | – | – | – | – | – | 16 |
| Enlisted men, | – | – | 52 | 26 | 32 | 37 | 30 | 33 | 39 | 38 | 51 | 31 | 7 | 376 |
| Totals, | – | – | – | – | – | – | – | – | – | – | – | – | – | 392 |
Casualties by Engagements.
| 1861. | ||||||||||||||
| Oct. 21, Ball's Bluff, Va., | – | 1 | 7 | – | – | 10 | 2 | – | 7 | 3 | 4 | – | – | 34 |
| Place unknown, | – | – | – | – | – | – | 1 | – | 1 | 1 | 1 | – | – | 4 |
| 1862. | ||||||||||||||
| May 31–June 1, Fair Oaks, Va., | – | – | 2 | – | – | – | – | – | – | 1 | 1 | – | – | 4 |
| June 30, Glendale, Va., | – | 1 | – | – | – | – | 1 | – | 1 | – | 2 | 2 | – | 7 |
| Sept. 17, Antietam, Md., | 1 | – | – | 2 | 1 | – | 3 | 3 | – | 3 | 2 | 2 | – | 17 |
| Dec. 11-13, Fredericksburg, Va., | – | 2 | 1 | – | 1 | 7 | – | 4 | – | 1 | 14 | 5 | – | 35 |
| Place unknown, | – | 1 | 2 | 2 | 2 | – | 1 | – | – | 3 | – | 1 | – | 12 |
| 1863. | ||||||||||||||
| May 3, Chancellorsville, Va., | – | – | – | – | – | – | – | – | – | 1 | – | – | – | 1 |
| July 2-3, Gettysburg, Pa., | 1 | 2 | 4 | 2 | 2 | 8 | 3 | 4 | 3 | 2 | 5 | 2 | – | 38 |
| Oct. 14, Bristoe Station, Va., | – | – | – | 1 | – | – | – | – | – | – | – | – | – | 1 |
| Place unknown, | – | – | 1 | 2 | – | 1 | 2 | 5 | – | 1 | 1 | 2 | – | 15 |
| 1864. | ||||||||||||||
| May 6-12, Wilderness, Va., | 1 | – | 3 | 2 | 5 | 2 | 6 | 4 | 4 | 11 | – | 1 | – | 39 |
| May 10-18, Spotsylvania, Va., | – | 2 | 1 | – | 1 | 1 | 1 | 1 | – | – | 2 | – | – | 9 |
| June 3-9, Cold Harbor, Va., | – | – | 3 | – | 1 | 1 | – | – | 1 | – | 1 | 1 | – | 8 |
| June 21-22, Petersburg, Va, | – | – | – | – | – | – | – | 1 | 1 | – | 1 | 1 | – | 4 |
| June 23-24, Before Petersburg,,Va., | – | – | – | – | 1 | – | – | 2 | – | – | – | – | – | 3 |
| Aug. 5, Before Petersburg,Va., | – | – | – | – | – | – | – | – | – | – | – | 1 | – | 1 |
| Aug. 14-17, Deep Bottom, Va., | 1 | – | – | – | 1 | – | – | – | – | – | – | – | – | 2 |
| Oct. 18, Petersburg,, Va., | – | – | – | – | – | – | – | 1 | – | – | – | – | – | 1 |
| Oct. 29, Hatcher's Run, Va., | – | – | 1 | – | – | – | – | – | – | – | – | – | – | 1 |
| Place unknown, | – | 1 | 2 | 1 | 2 | 1 | 1 | 3 | 1 | 2 | 2 | – | – | 16 |
| 1865. | ||||||||||||||
| Feb. 5, Hatcher's Run, Va., | – | – | – | – | – | – | – | – | – | – | – | 1 | – | 1 |
Present also at Yorktown, West Point, Peach Orchard, Savage's Station, Malvern Hill, Chantilly, Mine Run, North Anna River, Totopotomoy, Strawberry Plains, Reams's Station, Sailor's Creek, Farmville and Appomattox.
