1929 General Election - Merthyr
| Year | 1929 |
| General election | 1929 General Election |
| Constituency | Merthyr |
| Turnout | 85.8% |
Results
| Candidate | Party | Votes |
| Wallhead, Richard Collingham | Labour | 22,701 |
| Jenkins, J | Labour | 8,696 |
| Bradley-Birt, Francis Bradley | Unionist | 6,712 |