Source: House of Commons Library
Link: https://researchbriefings.parliament.uk/ResearchBriefing/Summary/CBP-7529#fullreport
For elections up to 1992, the Speaker of the House of Commons is listed under the party he represented before his appointment. From 1997 the Speaker is listed under ‘Other’.
1918 figures include all of Ireland.
Conservatives figures include Coalition Conservative for 1918; National, National Liberal and National Labour candidates for 1931-1935; National and National Liberal candidates for 1945; National Liberal & Conservative candidates 1945-1970.
Liberal Democrat figures include Coalition Liberal Party for 1918; National Liberal for 1922; and Independent Liberal for 1931. Figures show Liberal/SDP Alliance vote for 1983-1987 and Liberal Democrat vote from 1992 onwards.