The Mayor of South Dublin County Council, Cllr. Vicki Casserly, has opened a Book of Condolence in County Hall, Tallaght in memory of Gay Byrne.
Members of the public will be able to sign the book from today 6 November until Monday 11 November 5.00pm.
Gay Byrne died on Monday aged 85 following a long illness.
His funeral will take place on Friday at 12pm at the Pro-Cathedral in Dublin.
Books of Condolence have also been opened in the Mansion House in Dublin city centre.