The following were living within Middlesex County at the time the 1840 Census was enumerated
Stamped No. The Middlesex 1840 census includes a stamped number every other page
Page No. The Middlesex 1840 census includes a penned number every other page
| Stamped No. | Page No. | Name | Location |
| 113 | 41 | Robert H. Reeves | Cambridge |
| 314 | Hervey Reeves | Wayland | |
| 315 | Henry Reeves | Wayland | |
| 315 | Sylvester Reeves | Wayland | |
| 317 | Jacob Reeves | Wayland | |
| 317 | Walter Reeves | Wayland |
Stamped No. The Middlesex 1840 census includes a stamped number every other page
Page No. The Middlesex 1840 census includes a penned number every other page
