540 people start with letter m
- Mahoney, Patrick
- Mahoney, Robert
- Mahoney, Robert
- Mahoney, Teag
- Mahoney, Thomas
- Maitland, James
- Major, John
- Malihone, Desmond
- Mancaster, James
- Mandell, John C.
- Mandeville, John
- Mankin, Charles
- Mankin, Charles
- Manning, Cornelius
- Manning, Ignatious
- Mansa
- Mansfield, William Murray, Earl of, 1705-1793
- Marbury
- Marbury, John
- Marbury, Joseph
- Marbury, William
- Marechal, Joseph
- Mareman, James
- Mareman, John
- Mareman, Joseph
- Mareman, Susanna
- Mareman, Thomas
- Margaret
- Margaret
- Maria
- Maria
- Maria
- Maria
- Maria
- Mariah
- Mariah
- Mariah
- Mark, John H.
- Mark, Samuel
- Marks, Abel
- Markward, William
- Marlborough, John
- Marlbro, John
- Marle, Elizabeth
- Marlow, John
- Marryman, Horatio R.
- Marsh, Morris
- Marshal
- Marshal, Susannah
- Marshal, William
