An election to the 56th Parliament of the United Kingdom for the constituency area of Ynys Môn, held as part of the general election on 7 May 2015.
Labour hold by Albert Owen with a majority of 229 - 0.7% - on a turnout of 69.9%.
Candidates
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 49,939, having a valid vote count of 34,926 and an invalid vote count of 67.
Result declared at 03:47 on 8 May 2015.