Francis Albani – 1849-1854

Robert J. Kenny – 1854-1876

Alexander Jack – 1876-1906 – Professor of Civil Engineering, 1855-1906

William F. Butler – 1906-1909 – Professor of Modern Languages, 1895-1909, also Librarian, 1896-1900

John P. Molohan – 1910-1915 – Professor of Latin, 1905-1915

Patrick J. Merriman – 1915-1919 – President, 1919-1943; Professor of History, 1909-1919

Alfred O’Rahilly – 1920-1943 – President, 1943-1954; Professor of Mathematical Physics, 1917-1943

Henry St John Atkins – 1944-1954 – President, 1954-1963; Professor of Mathematics, 1936-1954

Tadhg Ó Ciardha – 1955-1978 – President, 1978-1988; Professor of Statistics, 1952-1978

Michael P. Mortell – 1979-1989 – President, 1989-1999; Associate Professor of Mathematical Physics, 1978-1979

Michael Aidan Moran – 1989-2015 – Professor of Statistics, 1975-1989

Caroline Fennell – 2015-2018 – Professor of Law, 2001-ongoing; Head of College of Arts Celtic Studies and Social Sciences, 2010-2015; Acting Head of the College of Business and Law, 2005-2006; Dean of Law Faculty and Head of Law Department, 2002-2009; Dean of Law Faculty, 1996-1999

John O’Halloran – 2018-2020 – President, 2021-ongoing; Interim President, 2020-2021; Vice-President for Teaching and Learning, 2014-2018; Chair of Zoology, 2012-ongoing; Head of School of Biological, Earth and Environmental Sciences, 2010-2014; Vice-Head of College of Science, Engineering and Food science, 2006-2010; Associate Professor of Zoology and Ecology, 2004-2012

Interim Registrar: Stephen Byrne – 2020-ongoing – Professor of Clinical Pharmacy Practice, 2013-ongoing; Head of the School of Pharmacy, 2013-2020; Dean of Undergraduate Studies, 2018-2020  

Note: From 2015 title was Senior Vice President Academic and Registrar

From 2018 title becomes Deputy President and Registrar