Marsh, John
| Title | Mr |
| Forenames | John |
| Surname | Marsh |
| Gender | m |
| Role | Miller |
| Address | Wicor Mill, Portchester |
| Region | Hampshire |
| Country | United Kingdom |
| Start date | 1811 |
| Original document | Windmills of Hampshire and the Isle of Wight |
| Compiler | Pru Barrett |
| Notes | Employed by Ivimy family. Mill put up for Let. |