Cyngor GwyneddDiffwys and Maenofferen By-election: 29 September 2011
On Thursday 29 September 2011 an election was held for one County Councillor for the Diffwys a Maenofferen Electoral Division. Mandy Williams-Davies, Plaid Cymru was elected.
Diffwys and Maenofferen - results
| Candidate | Party | Elected | Votes | ||
|---|---|---|---|---|---|
| Roberts, Catrin Elin | The Voice of Gwynedd | 153 | 42.15% | ||
| Williams-Davies, Mandy | Plaid Cymru | 
|
210 | 57.85% | |