1929 General Election - Poplar South
| Year | 1929 |
| General election | 1929 General Election |
| Constituency | Poplar South |
| Turnout | 63.6% |
Results
| Candidate | Party | Votes |
| March, Samuel | Labour | 19,696 |
| Heathcote-Williams, Harold | Liberal | 7,185 |
| Gorst, Elliot Marcet | Unionist | 3,532 |