1918 General Election - Horncastle
| Year | 1918 |
| General election | 1918 General Election |
| Constituency | Horncastle |
| Turnout | 68.2% |
Results
| Candidate | Party | Votes |
| Weigall, William Ernest George Archibald | Unionist with Coalition Coupon | 8,826 |
| Pattinson, Samuel | Liberal | 7,433 |