January 1910 General Election - South Londonderry
| Year | 1910 |
| General election | January 1910 General Election |
| Constituency | South Londonderry |
| Turnout | 95.2% |
Results
| Candidate | Party | Votes |
| Gordon, John | Liberal Unionist | 3,985 |
| Keightley, Samuel Robert | Liberal | 3,678 |