1900 General Election - Middlesbrough
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | Middlesbrough |
| Turnout | 77.8% |
Results
| Candidate | Party | Votes |
| Sadler, Samuel Alexander | Conservative | 6,760 |
| Wilson, Joseph Havelock | Liberal-Labour | 6,705 |
| Year | 1900 |
| General election | 1900 General Election |
| Constituency | Middlesbrough |
| Turnout | 77.8% |
| Candidate | Party | Votes |
| Sadler, Samuel Alexander | Conservative | 6,760 |
| Wilson, Joseph Havelock | Liberal-Labour | 6,705 |