| Year: | 1900 |
|---|---|
| General election: | 1900 General Election |
| Constituency: | Merthyr Tydfil |
| Turnout: | 59.6% |
Results
| Candidate | Party | Votes |
| Thomas, David Alfred | Liberal | 8598 |
| Hardie, James Keir | Labour Representation Committee | 5745 |
| Morgan, William Pritchard | Liberal | 4004 |