 She worked as a secretary at the law firm Matheson Ormsby Prentice, a Dáil secretary for TDs Michael Keating and Roger Garland, personal assistant to National Museum Director Pat Wallace, in media relations and special projects at the Department of Arts, Sports and Tourism, and in the Tánaiste's office at the Department of Enterprise, Trade and Employment.Holliday donated her body to medical research and, in 2014, her body was buried in the Dublin medical Schools plot in Glasnevin cemetery in Dublin.After a request from Nugent, the Dublin Medical Schools agreed to change the religious wording on the headstone over the plot to a secular wording, so that it would be inclusive of people of all religious beliefs and none.