1945 General Election - Horncastle
| Year | 1945 |
| General election | 1945 General Election |
| Constituency | Horncastle |
| Turnout | 70.4% |
Results
| Candidate | Party | Votes |
| Maitland, John Francis Whitaker | Conservative | 14,019 |
| Holderness, George Edward | Labour | 7,055 |
| Emerson, Frank | Liberal | 5,329 |