Canlyniadau etholiadau ar gyfer Mostyn

  Ennill Patrick Heesom was wedi'i ethol with a majority of 51%. Cafodd cyfanswm o 644 o bleidleisiau eu bwrw.

Table of main parties and election candidates retaining deposit

Ymgeisydd etholiad	Plaid	Nifer	%	Statws	% Newid
Patrick Heesom		487	76%	Ailetholwyd	21%
Michael Cresser Lewis-Jones	Labour / Llafur	157	24%	Heb ei ethol	n/a

Table of election candidates who changed parties since the last election

Ymgeisydd etholiad	Current party	Previous party
Patrick Heesom		Independent / Annibynnol