1857 General Election - Oldham
| Year | 1857 |
| General election | 1857 General Election |
| Constituency | Oldham |
| Turnout | 66.3% |
Results
| Candidate | Party | Votes |
| Cobbett, John Morgan | Radicals | 949 |
| Platt, James | Radicals | 934 |
| Fox, William Johnson | Radicals | 898 |
| Year | 1857 |
| General election | 1857 General Election |
| Constituency | Oldham |
| Turnout | 66.3% |
| Candidate | Party | Votes |
| Cobbett, John Morgan | Radicals | 949 |
| Platt, James | Radicals | 934 |
| Fox, William Johnson | Radicals | 898 |