August 2007 – April 2011
|Constituency||Nominated by the Taoiseach|
|Political party||Fianna Fáil|
|Alma mater||University College Dublin|
She was a county councillor on Dún Laoghaire–Rathdown County Council for the Glencullen area from 1999 to 2007. She was an unsuccessful candidate at the 2002, 2007 and 2011 general elections for the Dublin South constituency and was also unsuccessful at the Seanad election for the Administrative Panel in 2007. She was nominated by the Taoiseach, Bertie Ahern to Seanad Éireann on 3 August 2007.
Corrigan was the Fianna Fáil Seanad spokesperson for Disability, Mental Health, Environment and Energy. She was a member of the Houses of the Oireachtas Joint Committee for Communications, Joint Committee for the Constitutional Referendum for the Rights of the Child.
She is a member of the Psychological Society of Ireland, Combat Poverty Agency, the National Advisory Committee for Drugs (NCAD) and the National Economic and Social Forum.