Career
She later joined the Progressive Democrats (PDs), and stood unsuccessfully as a Privatdozent candidate for Dáil Éireann in the Kildare North at the 2002 general election. She was unsuccessful again at the by-election in 2005. Walsh was Mayor of Celbridge from 1982 to 2007.
She died on 24 April 2007 from complications related to diabetes, after a long illness.