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In 1912, after three unsuccessful attempts, the local Conservative Association replaced Blyth with a new candidate, Mansfield Hunter, who was replaced in 1913 by H. P. Macmillan. A general election was due to take place by the end of 1915. By the autumn of 1914, the following candidates had been selected to contest that election. Due to the outbreak of the First World War, the election never took place as scheduled.
The constituency was merged into the new Berwick & Haddington constituency for the 1918 elections. Tennant had represented the Berwick part. Hope was given the Coalition government coupon.