The latest Irish Times/Ipsos poll shows the findings.
Sinn Fein says the jump in support for the party in the latest Opinion Poll is reflecting what they are hearing on the ground.
The Irish Times/Ipsos poll shows support for Mary Lou McDonald's party has risen six points to 26 per cent.
Fianna Fail is up one to 22 per cent while Fine Gael has dropped three to 16 per cent, its lowest support since 1994.
The poll asked voters if Fianna Fail and Fine Gael were right or wrong to make an agreement with Independent TD Michael Lowry and significant amount - 64 per cent said they were wrong.
Longford Westmeath Sinn Féin TD Sorca Clarke believes the party can grow its support even more:
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