Using the Google Keyword Tool that shows you search trends it seems that when it comes to searching for party names in Ireland Fine Gael romps home with Sinn Fein and Fianna Fail joint second, Labour Party and Green Party joint third. This data is a few weeks out of sync so will change again right before the election.
Of course if we use the more general Labour and Greens searches, this changes the table but that brings in everything from child birth searches to labour court type searches:
Enda Kenny, then Gerry Adams, John Gormley and Eamon Gilmore at same level, then Micheal Martin.
What about Jedward? They kinda own searches: