1950 General Election - Southwark
| Year | 1950 |
| General election | 1950 General Election |
| Constituency | Southwark |
| Turnout | 74.0% |
Results
| Candidate | Party | Votes |
| Isaacs, George Alfred | Labour | 35,049 |
| Greenwood, James Mantle | Conservative | 12,671 |
| Fowler, Lionel | Liberal | 2,950 |
| Bent, Spencer John | Communist | 668 |