1916 South Londonderry by-election
The South Londonderry by-election of 1916 was held on 22 May 1916. The by-election was held due to the resignation of the incumbent Irish Unionist MP, John Gordon. It was won by the Irish Unionist candidate Denis Henry (a Catholic).
|Irish Unionist||Denis Henry||3,808||94.7||+42.4|
|Independent Unionist||Arthur Turnbull||214||5.3||N/A|
|Irish Unionist hold||Swing||N/A|