Career
A former teacher, guidance counsellor and businesswoman, Keogh was an unsuccessful Progressive Democrats candidate at the 1987 general election, the first election after the party was founded. She was elected to Dáil Éireann as a Progressive Democrats Teachta Dála (Territorial Decoration) for the Dún Laoghaire constituency at the 1992 general election. She was then nominated by Taoiseach Bertie Ahern to the 21st Seanad.
She was elected a local councillor for Dún Laoghaire-Rathdown County Council in 1991 and re-elected in 1999.
She ran unsuccessfully for the Seanad on the National University of Ireland Panel in 2011. She was appointed Chairperson of the Board of Dóchas - the Irish Association of Non-Governmental Development Organisations in 2006 and was elected for a second term of office in 2008.