Fine Gael Councillor Gerry Breen became the 341st Lord Mayor of Dublin following an election this evening.
Councillor Breen, a businessman who represents Clontarf, received 31 votes in a voting pact between Fine Gael and Labour.
Independent Cllr Christy Burke received eight votes while Sinn Féin's Criona Ní Dhálaigh received five.
The five Fianna Fáil councillors present all abstained.
Cllr Breen takes over as Lord Mayor from Labour's Emer Costello.
Meanwhile, Fine Gael Councillor Marie Byrne was elected Mayor of Limerick city tonight.
She beat Labour Councillor Gerry McLaughlin by 12 votes to five.
She received the support of her eight Fine Gael colleagues as well as the support of two independents and one Fianna Fáil councillor.
She is only the fourth woman to be elected Mayor of Limerick in over 800 years.
Her Father Bobby Byrne served two terms as Mayor of the city.
She plans to make job creation one of her priorities.