The list is calculated by year of which MPs was first elected, and then by the order in which they took their oath.
45th Parliament elected: 18 June 1970, first met: 29 June 1970
All elected at the General Election
1 and Father of the House Sir Gerald Kaufman Labour Manchester Gorton
2 Kenneth Clarke Conservative Rushcliffe
3 Dennis Skinner Labour Bolsover
47th Parliament elected: 10 October 1974, first met: 22 October 1974
4 Sir Peter Bottomley Conservative Worthing West elected 26 June 1975
5 Geoffrey Robinson Labour Coventry North West elected 4 March 1976
6 Sir Alan Haslehurst Conservative Saffron Walden elected 7 July 1977
48th Parliament elected: 3 May 1979, first met: 9 May 1979
7 David Winnick Labour Walsall North elected 3 May 1979
8 Barry Sheerman Labour Huddersfield elected 3 May 1979
9 Frank Field Labour Birkenhead elected 3 May 1979
10 Harriet Harman Labour Camberwell & Peckham elected 28 October 1982