Michael D Higgins Fergus Finlay Mairead McGuinness John Bruton Brian Crowley David Norris
Favourite to get the Labour nomination, but has so far lagged behind Mr Norris in opinion polls.
Was first out of the traps, but has a struggle trying to beat Michael D to the Labour nomination.
Her name has long been associated with the post but may suffer from a growing appetite to have a man in the Aras.
The former Taoiseach is almost guaranteed the FG nomination if he wants it -- but it isn't yet clear if he does.
Has always been coy when asked about his intentions, but will have to declare his plans soon.
The keenest of all the candidates, but he needs to get a nomination first. Also needs an effective fundraising machine.