1956 Gainsborough by-election

The Gainsborough by-election was held on 14 February 1956. It was held due to the elevation of the incumbent Conservative MP, Harry Crookshank to a hereditary peerage. It was won by the Conservative candidate Marcus Kimball. The Liberals polled over 20% of the vote having not fielded a candidate in 1955. After the by-election Kimball was Baby of the House.

Gainsborough by-election, 1956 Electorate

Party		Candidate	Votes	%	±%
	Conservative	Marcus Kimball	12,836	40.8	−15.0
	Labour	Henry Walston	11,830	37.6	−6.6
	Liberal	Henry I Spence	6,806	21.6	+21.6
Majority			1,006	3.2	−8.4
Turnout			31,472
	Conservative hold		Swing