Burton was first elected to Dáil Éireann at the 1992 general election. From 1995–97, she was Minister of State at the Department of Foreign Affairs. She lost her seat at the 1997 general election but was re-elected to Dáil Éireann at the 2002 general election.
Early and private life
Burton is a native of the Stoneybatter area of Dublin. She was adopted by the Burton's as a baby and brought up in Inchicore. Her adoptive father worked in the local iron foundry.She was educated at St Gabriel's NS, Cowper St and St Joseph Sisters of Charity Secondary School, Stanhope Street and University College Dublin (UCD) where she graduated with a degree in Commerce. She is also a Fellow of the Institute of Chartered Accountants. She has worked as a lecturer in Accountancy in the Dublin Institute of Technology and the University of Dar es Salaam, Tanzania.