The 1891 Mid Armagh by-election was a parliamentary
by-election
A by-election, also known as a special election in the United States and the Philippines, a bye-election in Ireland, a bypoll in India, or a Zimni election (Urdu: ضمنی انتخاب, supplementary election) in Pakistan, is an election used to f ...
held for the United Kingdom House of Commons
constituency
An electoral district, also known as an election district, legislative district, voting district, constituency, riding, ward, division, or (election) precinct is a subdivision of a larger State (polity), state (a country, administrative region, ...
of
Mid Armagh on 17 December 1891. The vacancy arose because of the death of the sitting member, Sir
James Corry of the new
Irish Unionist Party
The Irish Unionist Alliance (IUA), also known as the Irish Unionist Party, Irish Unionists or simply the Unionists, was a unionist political party founded in Ireland in 1891 from a merger of the Irish Conservative Party and the Irish Loyal and P ...
.
Only one candidate was nominated,
Dunbar Barton also of the Irish Unionist Party, who was therefore elected unopposed.