| NAME | DATE | No. |
| M |
| Mackay, Mrs. Margaret (Mackay) | 1802-1887 | 413 |
| Maclagan, Archbishop William Dalrymple | 1826-1910 | 292, 294, 371 |
| Madan, Rev. Martin | 1726-1790 | 191 |
| Mahlmann, Siegfried A. | 1771-1826 | 428 |
| Mant, Bishop Richard | 1776-1848 | 146, 161, 207, 293, 311, 375 |
| Marriott, Rev. John | 1780-1825 | 104 |
| Mason, Rev. Jackson | 1833-1899 | 180 |
| Mason, Rev. John | -1694 | 27 |
| Matheson, Rev. George | 1842-1906 | 236 |
| Mauburn, Rev. Abbe Jean | 1460-1503 | 550 |
| Maude, Mrs. Mary Fawler (Hooper) | 1819-1913 | 370 |
| Medley, Rev. Samuel | 1738-1799 | 263 |
| Meinhold, Rev. Johann Wilhelm | 1797-1851 | 414 |
| Mercer, Rev. William | 1811-1873 | 98 |
| Merrill, Rev. William Pierson | 1867- | 492 |
| Meyer, Sebastian William | 1856- | 366 |
| Meyfart, Johann Matthäus | 1590-1642 | 543 |
| Midlane, Rev. Albert | 1825-1909 | 363, 452 |
| Milman, Dean Henry Hart | 1791-1868 | 33, 145, 409 |
| Mohr, Rev. Joseph | 1792-1848 | 546 |
| Monro, Rev. Edward | 1815-1866 | 163 |
| Monsell, Rev. John Samuel Bewley | 1811-1875 | 113, 140, 325, 504, 532 |
| Montgomery, James | 1771-1854 | 80, 99, 103, 147, 151, 256, 262, 298, 306, 310, 318, 320, 324, 362, 450, 475, 516 |
| Moore, Thomas | 1779-1852 | 388 |
| Moultrie, Rev. Gerard | 1829-1885 | 339, 533 |
| Mozley, Henry Williams | 1866 | 272 |
| Mühlenberg, Rev. William Augustus | 1796-1877 | 75, 343 |