Rhondda West

1. Mabon Abraham

   Party:	Labour
   Constituency connections:	Direct
   Year of election:	1918
   Date of election:	14 December 1918
   Nature of election:	General election
   Nature of service:	Continuation
   Year of exit:	1920*
   Date of exit:	30 November 1920
   Nature of exit:	Resignation
   Party:	Labour
   Sponsorship:	MFGB
   Notes:	None

2. William John

   Party:	Labour
   Constituency connections:	Area
   Year of election:	1920*
   Date of election:	21 December 1920
   Nature of election:	By-election
   Nature of service:	First Entry
   Year of exit:	1950
   Date of exit:	23 February 1950
   Nature of exit:	Retirement
   Party:	Labour
   Sponsorship:	MFGB
   Notes:	None

3. Iorwerth Thomas

   Party:	Labour
   Constituency connections:	Direct
   Year of election:	1950
   Date of election:	23 February 1950
   Nature of election:	General election
   Nature of service:	First Entry
   Year of exit:	1966*
   Date of exit:	3 December 1966
   Nature of exit:	Death
   Party:	Labour
   Sponsorship:	NUM
   Notes:	None

4. Alec Jones

   Party:	Labour
   Constituency connections:	Regional
   Year of election:	1967*
   Date of election:	9 March 1967
   Nature of election:	By-election
   Nature of service:	First Entry
   Year of exit:	1974¹
   Date of exit:	28 February 1974
   Nature of exit:	Boundary revision
   Party:	Labour
   Sponsorship:	None known
   Notes:	None