Derby is a former United KingdomParliamentaryconstituency. It was aconstituency of theHouse of Commons of theParliament of England, then of theParliament of Great Britain from 1707 to 1800 and of theParliament of the United Kingdom from 1801 to 1950. It was represented by two members of parliament. It was divided into the single-member constituencies ofDerby North andDerby South in 1950.

Derby regularly sent two representatives to Parliament from Edward I's reign. In1900 it was one of the first two constituencies to elect a member from the then newly formedLabour Party, along withMerthyr Tydfil.

In 1950 the constituency was abolished and replaced by the two single-member constituencies ofDerby North andDerby South.

1885–1918: The existing parliamentary borough, and so much of the municipal borough of Derby as was not already included in the parliamentary borough.^[1]

Strutt was appointed Chief Commissioner of Railways, requiring a by-election.

Ponsonby succeeded to the peerage, becoming 5thEarl of Bessborough, causing a by-election.

The election was declared void on petition due to bribery and treating by Strutt's and Leveson-Gower's agents, and the writ suspended in March 1848, later causing a by-election.^[32]

Horsfall's election was in March 1853 declared void due to bribery, and Heyworth was declared elected in his place.^[35]

Plimsoll's resignation caused a by-election.

Bass' resignation caused a by-election.

Harcourt's appointment asChancellor of the Exchequer caused a by-election.

Harcourt's appointment asChancellor of the Exchequer requires a by-election.

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 July 1914, the following candidates had been selected;

• Liberal:Raymond Asquith
• Labour:J. H. Thomas
• Unionist: Arthur Edward Beck

General election 1922: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Labour	YJ. H. Thomas	25,215	27.0	−10.8
	Liberal	YCharles Henry Roberts	24,068	25.8	+5.6
	Unionist	Albert Green	22,240	23.9	+1.5
	Labour	William Raynes	21,677	23.3	N/A
Turnout			93,200	84.0	+18.5
Majority			1,828	1.9	N/A
	Liberalgain fromUnionist		Swing
Majority			2,975	3.1	−14.5
	Labourhold		Swing

General election 1923: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Labour	YJ. H. Thomas	24,887	29.0	+2.0
	Labour	YWilliam Robert Raynes	20,318	23.7	+0.4
	Unionist	Henry Fitz-Herbert Wright	20,070	23.4	−0.5
	Liberal	Charles Henry Roberts	10,669	12.5	−13.3
	Ind. Unionist	Thomas Clifford Newbold	9,772	11.4	New
Turnout			85,716	81.1	−2.9
Majority			9,649	11.2	N/A
	Labourgain fromLiberal		Swing	+6.8

General election 1924: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Labour	YJ. H. Thomas	27,423	25.7	−3.3
	Unionist	YRichard Luce	25,425	23.8	+0.4
	Labour	William Robert Raynes	25,172	23.6	−0.1
	Unionist	Hilda Hulse	21,700	20.3	N/A
	Liberal	James Henderson-Stewart	7,083	6.6	−5.9
Turnout			99,720	85.2	+4.1
Majority			5,723	5.4	+5.1
	Labourhold		Swing
Majority			353	0.2	N/A
	Unionistgain fromLabour		Swing

General election 1929: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Labour	YJ. H. Thomas	39,688	30.0	+4.3
	Labour	YWilliam Robert Raynes	36,237	27.4	+3.8
	Unionist	Richard Luce	24,553	18.6	−5.2
	Unionist	John Arthur Aiton	20,443	15.4	−4.9
	Liberal	L. du Garde Peach	11,317	8.6	+2.0
Turnout			132,238	82.6	−2.6
Majority			11,684	8.8	N/A
	Labourgain fromUnionist		Swing	+4.5
	Labourhold		Swing

General election 1931: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	National Labour	YJ. H. Thomas	49,257	36.4	N/A
	Conservative	YWilliam Reid	47,729	34.3	+0.3
	Labour	William Robert Raynes	21,841	15.7	−11.7
	Labour	Walter Halls	20,241	14.6	−12.8
Majority			27,416	19.7	+10.9
Turnout			139,068	84.5	+1.9
	National Labourhold		Swing
	Conservativegain fromLabour		Swing

General election 1935: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Conservative	YWilliam Reid	37,707	30.19
	National Labour	YJ. H. Thomas	37,566	30.08
	Labour	Herbert Arthur Hind	25,037	20.04
	Labour	Leonard John Barnes	24,594	19.69
Majority			12,670	10.15
Turnout			124,904
	Conservativehold		Swing
	National Labourhold		Swing

General Election 1939–40:

Another General Election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place in Autumn 1939 and by then, the following candidates had been selected;

• Labour:Philip Noel-Baker and A E Hunter^[47]
• Conservative: P C Cooper-Parry^[48]
• National Labour:Archibald Church^[49]

General election 1945: Derby (2 seats)^[45]

Party		Candidate	Votes	%	±%
	Labour	YPhilip Noel-Baker	42,196	33.60
	Labour	YClifford Wilcock	40,800	32.49
	Conservative	Francis Lochrane	21,460	17.09
	Conservative	Max Bemrose	21,125	16.82
Majority			19,340	16.51	N/A
Turnout			125,581	76.39
	Labourgain fromConservative		Swing
	Labourhold		Swing

• List of former United Kingdom Parliament constituencies
• Unreformed House of Commons

Notes

References

• D Brunton & D H Pennington,Members of the Long Parliament (London: George Allen & Unwin, 1954)
• Cobbett's Parliamentary history of England, from the Norman Conquest in 1066 to the year 1803 (London: Thomas Hansard, 1808)[1]
• Leigh Rayment's Historical List of MPs – Constituencies beginning with "D" (part 1)

• Parliamentary constituencies in Derbyshire (historic)
• Politics of Derby
• Constituencies of the Parliament of the United Kingdom established in 1295
• Constituencies of the Parliament of the United Kingdom disestablished in 1950

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