Mark Williams Elections won
Parliament Member page for Mark Williams
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Majority |
| 7 May 2015 | Ceredigion | General election | LD | 13,414 | 35.9% | 3,067 |
| 6 May 2010 | Ceredigion | General election | LD | 19,139 | 50.0% | 8,324 |
Maiden speech
Mark Williams's maiden speech was made on 25 May 2005, as the member for Ceredigion. The speech took place in the 1st session of the 54th Parliament.