| Name | Location 1 | Location 2 | Notes |
|---|---|---|---|
| McBride, Bridget | 435 | Baytown---Biographical; wife of James Elliott | |
| McClelland, A J | 425 | Baytown---Town Organization; | |
| McClelland, A J | 426 | Baytown---Town Organization; | |
| McDermott, Thomas | 427 | Baytown---War Record; | |
| McDonald, R | 424 | Baytown---Organization; | |
| McDonald, Richard | 425 | Baytown---Town Organization; | |
| McGowan, John | 438 | Baytown---Biographical; husband of Mary Maddock | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre | 439 | Baytown---Biographical; child of J. P. McIntyre | |
| McIntyre, J P | 438 | Baytown---Biographical; | |
| McKenzie | 430 | Baytown---South Stillwater; | |
| McKenzie | 439 | Baytown---Biographical; son of Hugh McKenzie | |
| McKenzie, Hugh | 439 | Baytown---Biographical; | |
| McKusick, J | 433 | Baytown---Biographical; | |
| McKusick, Newton | 334 | ||
| McNelley, George | 427 | Baytown---War Record; | |
| Meffert, Miss Minnie | 439 | Baytown---Biographical; wife of Brunson e. Meigs | |
| Meigs, Brunson E | 439 | Baytown---Biographical; | |
| Meigs, Estella | 439 | Baytown---Biographical; wife of Brunson e. Meigs | |
| Meigs, Florilla E | 439 | Baytown---Biographical; wife of Brunson e. Meigs | |
| Meigs, Minnie | 439 | Baytown---Biographical; wife of Brunson e. Meigs | |
| Meigs, William C | 439 | Baytown---Biographical; wife of Brunson e. Meigs | |
| Mercer, Frederick | 428 | Baytown---Schools; | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier | 439 | Baytown---Biographical; child of Frederick Mercier | |
| Mercier, Frederick | 439 | Baytown---Biographical; | |
| Mercier, Mrs. Mary | 439 | Baytown---Biographical; wife of Frederick Mercier | |
| Merriam, G L | 429 | Baytown---South Stillwater; | |
| Middleton, James | 334 | ||
| Miner, Joseph | 427 | Baytown---Schools; | |
| Mitchell, J B H | 425 | Baytown---Town Organization; | |
| Mitchell, J B H | 427 | Baytown---War Record; | |
| Mitchell, J B H | 427 | Baytown---Schools; | |
| Moore | 430 | Baytown---South Stillwater; | |
| Moore, Miss Hannah | 431 | Baytown---Biographical; wife of John Atkinson | |
| Murphy, Rev. Father | 428 | Baytown---Cemetries; | |
| Nelson, Charles L | 427 | Baytown---Schools; | |
| Nelson, Socrates | 428 | Baytown---South Stillwater; | |
| Nelson, Socrates | 424 | Baytown---Organization; | |
| Nelson, Socrates | 434 | Baytown---Biographical; |