Census records of free Black heads of household in the antebellum South
| Name | State | Num In Family | Notes |
|---|---|---|---|
| McKader, Sarah | Maryland | 4 | — |
| McKey, Thomas | Maryland | 5 | — |
| McKinley, Alexander | Maryland | 1 | — |
| McKleheany, William | Maryland | 1 | — |
| McLain, Ceasar | New Hampshire | 2 | — |
| McLemurry, James | South Carolina | — | — |
| McMannors, John | Vermont | 3 | — |
| McNeale, Ann | Pennsylvania | — | — |
| McNeel, Archibald | Pennsylvania | — | — |
| McNeice, William | Pennsylvania | — | — |
| McRuth, Robert | Maryland | 1 | — |
| Mearico, Cato (free Negro) | Delaware | 5 | — |
| Meek, Thomas | Massachusetts | — | — |
| Meekins, David | Virginia | — | — |
| Meekins, Joseph | Virginia | — | — |
| Meekins, Peter | Virginia | — | — |
| Meggs, Chatharine | Virginia | — | — |
| Meggs, James | Virginia | — | — |
| Mehony, John | Maryland | 1 | — |
| Mekiflsi, Margaret | North Carolina | 3 | — |
| Mele, Cato | Massachusetts | — | — |
| Memory (Negro) | Maryland | 7 | — |
| Mentor | Connecticut | 4 | — |
| Mercer, Peter | Pennsylvania | — | — |
| Mercy | New Hampshire | 2 | — |