North-West Tyrone (UK Parliament constituency)

North West Tyrone
Former County constituency for the House of Commons
1918–1922
Number of members	One
Replaced by	Fermanagh and Tyrone
Created from	Mid Tyrone and North Tyrone

North West Tyrone was a UK parliamentary constituency in Ireland. It returned one Member of Parliament (MP) to the British House of Commons from 1918 to 1922.

This county constituency comprised the north-western part of County Tyrone.

Prior to the United Kingdom general election, 1918 the area was the North Tyrone and part of the Mid Tyrone constituencies. From the dissolution of Parliament in 1922 North West Tyrone became part of the Fermanagh and Tyrone seat.

The constituency was a predominantly Sinn Féin area in 1918. The Unionists had significant but minority support.

Arthur Griffith was also elected for East Cavan, but as he did not take his seat in the United Kingdom House of Commons he could not choose which area he would represent and trigger a by-election in the other.

Griffith died on 12 August 1922. Sinn Féin MPs were not prepared to attend the House of Commons, to apply for the writ for a by-election, so this seat was vacant at the dissolution of Parliament on 26 October 1922.

Sinn Féin contested the general election of 1918 on the platform that instead of taking up any seats they won in the United Kingdom Parliament, they would establish a revolutionary assembly in Dublin. In republican theory every MP elected in Ireland was a potential Deputy to this assembly. In practice only the Sinn Féin members accepted the offer.

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