McGurk was elected to the Parliament of Northern Ireland as an Independent Nationalist and Farmers' candidate at a by-election in Mid Tyrone in 1941. He held the seat at the Northern Ireland general election, 1945, and was active mainly on agricultural issues. In Parliament, he sat with the Nationalist Party group.
- Brendan Lynn, Holding the Ground: The Nationalist Party in Northern Ireland, 1945 - 72 (1997), ISBN 1-85521-980-8
- Biographies of Members of the Northern Ireland House of Commons
|Parliament of Northern Ireland|
|Member of Parliament for Mid Tyrone
1941 – 1948