| NAME | COMPANY | RANK | |
| Mackrill Samuel R. | Company K | (not given) | |
| Major Malay Allen | Company G | (not given) | |
| Mann Benjamin | Company H | (not given) | |
| Manz Jacob | Company A | (not given) | |
| Marlow Emerson | Company C | (not given) | |
| Marr Isaac D. | Company A | (not given) | |
| Marr William F. | Company A | (not given) | |
| Marsh Lewis E. | Company A | (not given) | |
| Marshman Alexander | Company G | (not given) | |
| Martin George W. | Company H | 5th Sergeant | |
| Martin James W. | Company I | Major | |
| Martin James W. Lin | Company I | Captain | |
| Mason Albert | Company E | (not given) | |
| Mason John E. | Company I | (not given) | |
| Mason Orville N. | Company E | (not given) | |
| Mason William K. | Company I | (not given) | |
| Mathany Aaron W. | Company I | (not given) | |
| Matson Daniel | Company G | (not given) | |
| Mattauch Anthony | Company C | 4th Sergeant | |
| Matthews James A. | Company G | (not given) | |
| Maxon Johathan H. | Non-Commissioned | StaCommissary Sergeant |
|
| Maxon Jonathan H. | Company D | Commissary Sergeant |
|
| McAnulty John W. | Company E | (not given) | |
| McCafferty Charles | Company A | (not given) | |
| McCalmant Samuel | Company K | (not given) | |
| McCarter Josiah | Company I | (not given) | |
| McCauley Hiram | Company H | (not given) | |
| McCauley Marion R. | Company C | 2nd Sergeant | |
| McCauley Sylvester E. | Company H | (not given) | |
| McCormick James | Company K | (not given) | |
| McCoy A. Clark | Company F | 5th Corporal | |
| McCoy George W. | Company F | (not given) | |
| McCoy Joseph | Company F | (not given) | |
| McCoy Milton T. | Company F | (not given) | |
| McCracken John T. | Company C | Drummer | |
| McCroskey Cyrus | Company C | (not given) | |
| McCroskey Robert N. | Company C | 1st Corporal | |
| McDaniel David A. | Company K | (not given) | |
| McDowell Chauncey | Company G | 5th Sergeant | |
| McElroy Josiah | Company F | (not given) | |
| McGee Charles F. | Company E | (not given) | |
| McGee Sidney W. | Company E | (not given) | |
| McGowan Charles | Company B | (not given) | |
| McKay Isaac | Company B | (not given) | |
| McKee Cyrus | Company I | (not given) | |
| McKinley Cornelius | Company A | (not given) | |
| McKinley Randolph | Company A | (not given) | |
| McKinley Seymour J. | Company A | Captain | |
| McKinley Seymour J. L | Company A | 2d Lieutenant | |
| McLane John | Company B | (not given) | |
| McLaughlin Daniel | Company D | (not given) | |
| McLaughlin Thomas L. | Company A | (not given) | |
| McLeod Joshua | Company B | (not given) | |
| McMichael Jesse | Company I | Captain | |
| McNary Richard | Company G | 1st Lieutenant | |
| McNary Richard Lin | Company G | 2nd Lieutenant | |
| McNeil Henry S. | Company A | (not given) | |
| McQueen Allen F. | Company G | (not given) | |
| McQueen Ephraim | Company G | (not given) | |
| McQuiston William | Company F | (not given) | |
| McRoberts George M. | Company F | (not given) | |
| McShane Joshua P. | Company H | (not given) | |
| McVay John | Company D | (not given) | |
| McWilliams Francis Y. | Company F | (not given) | |
| Mead James H. | Company E | See 1st MS. Colored Infantry |
|
| Mercer Wilson | Company D | (not given) | |
| Merrill Henry | Company E | (not given) | |
| Merritt Alonzo | Company H | (not given) | |
| Mershon James M. | Company F | (not given) | |
| Metz Peter | Company C | (not given) | |
| Meyers Simon P. | Company F | (not given) | |
| Michell Wellington | Company H | (not given) | |
| Miesner John | Company E | (not given) | |
| Miles Elum C. | Company E | 1st Lieutenant | |
| Miles Forest M. | Company A | (not given) | |
| Miller George | Company G | (not given) | |
| Miller Ira S. | Company I | (not given) | |
| Miller Isaac | Company D | (not given) | |
| Miller John | Company E | (not given) | |
| Miller John | Company G | 1st Sergeant | |
| Miller John U. | Company D | (not given) | |
| Miller Nelson C. | Company D | (not given) | |
| Miller Noah | Company D | (not given) | |
| Miller Perry | Company I | (not given) | |
| Miller Samuel B. | Company G | 7th Corporal | |
| Miller William O | Company C | (not given) | |
| Millet George S. | Company D | (not given) | |
| Mills Casper L. | Company D | (not given) | |
| Mills Gilbert E. | Company D | Wagoner | |
| Milner Charles A. | Company K | 5th Sergeant | |
| Milner Hastings J. | Company K | (not given) | |
| Mink Morris | Company E | (not given) | |
| Minturn Rufus C. | Company B | (not given) | |
| Mitchell Lafayette | Company E | (not given) | |
| Mitchell Mefford | Company E | 2nd Sergeant | |
| Moir George | Company B | 7th Corporal | |
| Montgomery Alexander | Company B | (not given) | |
| Moon Richard | Company C | (not given) | |
| Moor Jacob W. | Company C | Wagoner | |
| Moore Albert G. | Company D | (not given) | |
| Moore Charles D. | Company K | (not given) | |
| Moore David | Company K | 1st Sergeant | |
| Moore Hezekiah | Company K | (not given) | |
| Moore Jesse E. | Company K | (not given) | |
| Moore Seaborn Jr. | Company K | (not given) | |
| Morford Andrew J. | Company D | (not given) | |
| Morford James T. | Company F | (not given) | |
| Morford Joseph | Company D | (not given) | |
| Morrison James | Company G | 4th Sergeant | |
| Morse Harvey S. | Company E | (not given) | |
| Morse John M. | Company E | (not given) | |
| Morse Salem L. | Company E | (not given) | |
| Mudge Aldin | Company K | (not given) | |
| Mudge Loyal | Company K | (not given) | |
| Mulcahy John | Company E | (not given) | |
| Munn Samuel | Company B | (not given) | |
| Munn Silas | Company B | (not given) | |
| Muntz Josiah | Company G | (not given) | |
| Murray Hugh | Company C | (not given) | |
| Murry Martin | Company K | (not given) | |
| Myers Samuel H. | Company C | 1st Corporal | |
| Myers Wesley | Company F | (not given) | |
| Myers William | Company E | (not given) |
