UK parliamentary by-election in Wales
The October 1888 Merthyr Tydfil by-election was a parliamentary by-election held for the House of Commons constituency of Merthyr Tydfil in Wales on 26 October 1888.
Vacancy.
The by-election was caused by the death of the sitting Liberal MP, Henry Richard on 20 August 1888. 
Candidates.
Two candidates nominated.
The Liberal Party (UK) nominated Baptist Minister Richard Foulkes Griffiths.
Welsh solicitor, mine owner, and company promoter William Pritchard-Morgan ran as an Independent Liberal
Result.
The Independent Liberal gained the seat from the Liberal Party.
! scope="col" colspan="2" style="width: 130px"|Party
! scope="col" style="width: 17em"|Candidate
! scope="col" style="width: 5em"|Votes
! scope="col" style="width: 3.5em"|%
! scope="col" style="width: 3.5em"| ;templatestyles src="Template:Tooltip/styles.css" / ;±%
! colspan="3" style="text-align: right; margin-right: 0.5em" | Majority
! colspan="3" style="text-align: right; margin-right: 0.5em" scope=row | Turnout
! colspan="3" style="text-align:right;" scope=row | Registered electors
! style="text-align:right;" | Swing
References.
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