| Last Name | First / Middle Name | Rank / Unit |
Date Left | Comments |
|
|
| Mackall | William W. | bvt maj a a g | 03 Jul 1861 | graduate of the U.S. Military Academy
|
| Maclay | Robert P. | capt 8 inf | 31 Dec 1860 | graduate of the U.S. Military Academy
|
| Maclin | Sackfield | maj paymr | 01 Mar 1861 |
|
| Madison | Thomas C. | maj surg resd | 17 Aug 1861 |
|
| Magruder | John B. | capt 1 art | 20 Apr 1861 | graduate of the U.S. Military Academy
|
| Magruder | William T. | capt 1 cav | 01 Oct 1862 | graduate of the U.S. Military Academy
|
| Major | James P. | 2 lt 2 cav | 21 Mar 1861 | graduate of the U.S. Military Academy
|
| Mallory | Francis | 2 lt 4 inf | 10 Jul 1861 |
|
| Marmaduke | John S. | 2 lt 7 inf | 17 Apr 1861 | graduate of the U.S. Military Academy
|
| Martin | James G. | capt a q m | 14 Jun 1861 | graduate of the U.S. Military Academy
|
| Maury | Dabney H. | bvt capt a a g | 25 Jun 1861 | graduate of the U.S. Military Academy
|
| McCall | James K. | 2 lt 4 inf | 25 Apr 1861 |
|
| McCown | John P. | capt 4 art | 17 May 1861 | graduate of the U.S. Military Academy
|
| McCreery | William W. | 2 lt 4 art | 03 Jun 1861 | graduate of the U.S. Military Academy
|
| Mcintosh | James M. | capt 1 cav | 07 May 1861 | graduate of the U.S. Military Academy
|
| McLaws | Lafayette | capt 7 inf | 23 Mar 1861 | graduate of the U.S. Military Academy
|
| McLean | Eugene E. | capt a q m | 25 Apr 1861 | graduate of the U.S. Military Academy
|
| McLemore | Owen K. | 2 lt 6 inf | 08 Apr 1861 | graduate of the U.S. Military Academy
|
| McNeil | Henry C. | 2 lt mtd rifle | 12 May 1861 | graduate of the U.S. Military Academy
|
| Meade | Richard K. | 2 lt engrs | 01 May ]861 | graduate of the U.S. Military Academy
|
| Mercer | John T. | 1 lt 1 drgs | 26 Apr 1861 | graduate of the U.S. Military Academy
|
| Merchant | Anderson | 1 lt 2 art | 02 May 1861 |
|
| Minter | Joseph F. | 1 lt 2 cav | 31 Mar 1861 |
|
| Montgomery | Alexander B. | 2 lt 4 art | 03 Mar 1861 |
|
| Moore | Samuel P. | maj surg | 25 Feb 1861 |
|
| Mullins | John | 1 lt 2 drgs | 24 Apr 1861 | graduate of the U.S. Military Academy
|
| Myers | Abraham C. | capt a q m | 28 Jan 1861 | graduate of the U.S. Military Academy
|