John Martin Mark (17 January 1873 – 5 January 1948) was a Northern Ireland Unionist politician and solicitor.[1] He was born in Artidillon, County Londonderry, the son of Presbyterian Minister John Mark and Jane Martin. He was married in 1905 to Jane Guthrie, with whom he raised a family.
He was elected to the House of Commons of Northern Ireland as an Ulster Unionist Party member for Londonderry at the 1921 general election, and was re-elected at the 1925 general election.[1] He was elected unopposed for the North Londonderry constituency at the 1929 general election. He retired at the 1933 general election.
He was a resident magistrate from 1933 to 1943.[1] He died 5 January 1948