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South East Durham was a county constituency represented in the House of Commons of the Parliament of the United Kingdom. It elected one Member of Parliament (MP) by the first past the post system of election.
The constituency was created by the Redistribution of Seats Act 1885, when the North Durham and South Durham county divisions were replaced by eight new single-member county constituencies. These were Barnard Castle, Bishop Auckland, Chester-le-Street, Houghton-le-Spring, Jarrow, Mid Durham, North West Durham and South East Durham. In addition there were seven County Durham borough constituencies.
It was abolished for the 1918 general election.
Elections in the 1910s
General Election 1914/15:
Another General Election was required to take place before the end of 1915. The political parties had been making preparations for an election to take place and by the July 1914, the following candidates had been selected;