The Socialist Party is to put forward Ms Clare Daly (29) as a candidate for the Dublin North by-election. Ms Daly polled 3,000 first preference votes in the June general election.
She has been co-ordinator of the anti-water charges campaign in Dublin North and was Labour Youth representative on the administrative council of the Labour Party before being expelled in 1989.
Ms Daly was president of the students union in Dublin City University from 1988 to 1990. She works in the catering department of Aer Lingus.