Sinn Féin's candidate in the Dublin Central bye-election, Janice Boylan, is leading the field on 21% first- preference support, an opinion poll has suggested.
The TG4/Irish Times Ipsos B&A poll gauges support for the Social Democrats' Daniel Ennis at 18%, followed by Independent Gerry Hutch on 14%.
There is a margin of error of plus or minus 4% on this poll of 659 voters, which was taken between 7 May and 12 May.
The survey of voters indicated that Ray McAdam of Fine Gael is on 13%, with the Greens' Janet Horner on 8% and Independent Malachy Steenson on 7%.
Labour's Ruth O'Dea recorded 6% support, while Fianna Fáil candidate John Stephens is on 4% and Eoin Ó Ceannabháin of PBP 3%.
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The other candidates attracted 1% or less support.
When voters were asked for their second preference, 15% indicated that they would support Daniel Ennis, 14% were planning to give that preference to Janet Horner and both Janice Boylan and Malachy Steenson had 10% second-preference support.
Gerry Hutch, Eoin Ó Ceannabháin, John Stephens and Ray McAdam got 8% support in this preference while Ruth O'Dea was on 7%.
Voters will go to the polls in Dublin Central tomorrow week.
The vacancy was created following the departure of former Fine Gael TD and Finance Minister Paschal Donohoe to take up a role in the World Bank late last year.
Fourteen candidates in total are seeking election.
The full list of candidates is:
Janice Boylan (Sinn Féin)
Tony Corrigan (Independent)
Daniel Ennis (Social Democrats)
Colm Joseph Flood (Independent)
Mannix Flynn (Independent)
Janet Horner (Green Party)
Gerard Hutch (Independent)
Ray McAdam (Fine Gael)
Eoghan Ó Ceannabháin (People Before Profit)
Ruth O'Dea (The Labour Party)
John O'Leary (Independent)
Ian Noel Smyth (Aontú)
Malachy Steenson (Independent)
John Stephens (Fianna Fáil)