- Mendenez1
- Merrick [last name unknown]1
- Mesnard, Luther B.1
- Miller Studio (Augusta, Georgia)1
- Miller, T.1
- Mills, J. B.1
- Minard, Hernando E.1
- Mitchell, David1
- Mitchell, Eugene S., 1841-18711
- Mitchem, Eugene E.1
- Mize, T. A.1
- Mobley, James M.1
- Monroe, James1
- Mora, José Maria1
- Morris, Walter J., Capt. Engr's, C.S.A1
- Morris, William S.1
- Morrow, J. M.1
- Morse, Samuel1
- Moses, L. Z.1
- Munns, James, Jr.1
