1929 General Election - Dunbartonshire
| Year | 1929 |
| General election | 1929 General Election |
| Constituency | Dunbartonshire |
| Turnout | 81.0% |
Results
| Candidate | Party | Votes |
| Brooke, Willie | Labour | 18,153 |
| Thom, John Gibb | Scottish Unionist | 16,576 |
| Guthrie, Thomas Maule | Liberal | 5,071 |