He is stepping away after 40 years in service.
Sinn Féin's woes continue after a second TD in a week has announced their resignation from the party.
Brian Stanley is stepping away after 40 years of service, claiming a 'clique' within the party has gone to extreme lengths to damage his reputation and character.
Deputy Stanley described an internal inquiry into a complaint about him as resembling a Kangaroo Court.
It comes just days Kildare TD Patricia Ryan announced her resignation.