1918 General Election - South Down
| Year | 1918 |
| General election | 1918 General Election |
| Constituency | South Down |
| Turnout | 79.1% |
Results
| Candidate | Party | Votes |
| McVeagh, Jeremiah | Irish Parliamentary | 8,756 |
| Johnston, John Alexander Weir | Irish Unionist | 5,573 |
| Fisher, Alexander | Independent | 436 |
| Valerà, Éamon de | Sinn Féin | 33 |