The survey puts Sinn Féin on 15%, down 1% from the Suns Red C poll two weeks ago, but up 7% on the last Times poll taken last September.
The poll has Fine Gael on 30%, Labour on 25%, Fianna Fail on 17% and the Greens on 2%. It puts others, which includes independents and smaller protest parties on 11%.
This poll shows the dramatic rise in Sinn Féin support nationwide holding strong, despite a recent onslaught from the national media.
The poll has also revealed that Gerry Adams in the second most popular party leader in the nation on 28% behind Labours Eamon Gilmore, but well ahead of Fine Gaels Enda Kenny and the Taoiseach Brian Cowen.
