Former Fine Gael minister Lucinda Creighton has given the clearest indication yet that she may form a new political party.

The former minister says Fine Gael has failed in its election promise to overhaul the political system.

Deputy Creighton's a founder of the Reform Alliance of former Fine Gael members who were kicked out of the party over their votes on the abortion laws last year.

And speaking at the MacGill Summer School in Glenties, she's given a clear hint that a new political party may be in the offing:

Before dropping those hints, Ms Creighton dismantled her former party's five-point 2011 election manifesto: