Census records of free Black heads of household in the antebellum South
| Name | State | Num In Family | Notes |
|---|---|---|---|
| McRuth, Robert | Maryland | 1 | — |
| Mehony, John | Maryland | 1 | — |
| Memory (Negro) | Maryland | 7 | — |
| Meriah | Maryland | 2 | — |
| Meriah (Negro) | Maryland | 3 | — |
| Meryday, Moses | Maryland | 5 | — |
| Mhalan, James | Maryland | 1 | — |
| Miffin, Jonathan | Maryland | 4 | — |
| Miller, Samuel, Esq. | Maryland | 1 | — |
| Mingo (Negro) | Maryland | 2 | — |
| Minta, Free | Maryland | 5 | — |
| Molly, Free | Maryland | 4 | — |
| Moluck, Roger | Maryland | 6 | — |
| Monk, James (Mulatto) | Maryland | 4 | — |
| Monk, William (Negro) | Maryland | 3 | — |
| Monnie, John | Maryland | 1 | — |
| Moore, Daniel (Negro) | Maryland | 5 | — |
| Morgan, James | Maryland | 5 | — |
| Morgan, Jane | Maryland | 5 | — |
| Morgan, Susanna | Maryland | 2 | — |
| Morris, Rachel | Maryland | — | — |
| Mose (Negro) | Maryland | — | — |
| Moseley, Jacob | Maryland | — | — |
| Moses | Maryland | — | — |
| Moses | Maryland | — | — |