Bishop Auckland by-election, 1929

The Bishop Auckland by-election, 1929 was a parliamentary by-election held on 7 February 1929 for the British House of Commons constituency of Bishop Auckland in County Durham.

The seat had become vacant on 22 December 1928 when the constituency's Labour Member of Parliament (MP), Ben Spoor had died aged 50. He had been elected for the previously Liberal-held seat at the 1918 general election, and held it through three further general elections.

Spoor had planned to retire at the next general election, and the Bishop Auckland Constituency Labour Party had selected Hugh Dalton as its prospective parliamentary candidate. However, Dalton was already MP for the then-marginal Peckham constituency in South London, and had sought a safer seat. He would have had to resign his Peckham seat to stand in Bishop Auckland. To add to the complications, even he had been minded to do that, a further complication was that the prospective Labour candidate for Peckham was John Beckett, the sitting MP for Gateshead.

To avoid triggering two further by-elections, a Labour candidate was needed who would agree to stand down at the next general election. The seventy members of Bishop Auckland Constituency Labour Party's general committee unanimously chose Hugh Dalton's wife Ruth, because she could be relied on to resign in favour of her husband as soon as Parliament was dissolved; no other candidate was even considered.

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