John Ryall - 1845-1875 (Greek)
Patrick D. Barry - 1974-1976 (Mathematics)
Edward F. Fahy - 1976-1979 (Geography)
Thomas F. Raftery - 1979-1982 (Dairy Science)
John J. Lee - 1982-1985 (History)
Shawn Doonan - 1985-1989 (Biochemistry)
Desmond M. Clarke - 1989-1992 (Philosophy)
Máire F. Mulcahy - 1989-1994 (Zoology)
John F. O'Connor - 1992-1995 (Law)
Rev. Brendan E. O'Mahony - 1994-1999 (Philosophy)
Áine Hyland - 1999-2006 (Education)
Caroline Fennell - 2015-2018 Deputy President (& Registrar) (Law)
John O'Halloran - 2018-2020 Deputy President (& Registrar) (Biological, Earth & Environmental Sciences)
Stephen Byrne - 2020+ Deputy President (& Registrar) (Pharmacy)
Note: The title of the role of Deputy to the President changed over time. Originally it was 'Vice-President' and currently is 'Deputy President'.
Holders of the role were also engaged in their academic department, which is noted.
Please note that this list is not complete and requires further research.