Siobhán Fitzpatrick held the position of Librarian to the Academy until April 2020. She has co-edited several monographs on antiquarian and bibliographical themes and has written on science publication in Ireland and on aspects of the Academy's manuscript and print collections. 

Siobhán has served as President of the Library Association of Ireland and as Hon. General Secretary of the Royal Society of Antiquaries of Ireland. She is a past chair of CONUL (the Consortium of National & University Libraries).