| Birthdate | Age | Name | Current Title |
| Oldest |
| 22 Feb 1930 |
| Bishop David Cremin | Auxiliary Bishop Emeritus of Sydney, Australia |
| 12 Jan 1934 |
| Bishop Edmond Carmody | Bishop Emeritus of Corpus Christi, Texas, USA |
| 3 Feb 1934 |
| Bishop Joseph Duffy | Bishop Emeritus of Clogher |
| 11 Jan 1935 |
| Bishop Colm O’Reilly | Bishop Emeritus of Ardagh (and Clonmacnois) |
| 25 Apr 1935 |
| Bishop John Kevin Boland | Bishop Emeritus of Savannah, Georgia, USA |
| 6 Jun 1936 |
| Bishop William Murphy | Bishop Emeritus of Kerry |
| 11 Sep 1936 |
| Father Thomas Vincent Greenan, S.P.S. | Superior Emeritus of Bomadi, Nigeria |
| 24 Sep 1936 |
| Bishop John Magee, S.P.S. | Bishop Emeritus of Cloyne |
| 29 Oct 1938 |
| Bishop John Kirby | Bishop Emeritus of Clonfert |
| 25 Jan 1939 |
| Archbishop Dermot Clifford | Archbishop Emeritus of Cashel (-Emly) |
| 16 Aug 1939 |
| Seán Baptist Cardinal Brady | Archbishop Emeritus of Armagh |
| 12 Sep 1939 |
| Bishop Patrick Joseph Harrington, S.M.A. | Bishop Emeritus of Lodwar, Kenya |
| Youngest |
| 20 Apr 1971 |
| Bishop Paul Dempsey | Auxiliary Bishop of Dublin |
| 15 Jul 1970 |
| Bishop Michael Gerard Duignan | Bishop of Clonfert |
| 26 Mar 1970 |
| Archbishop Michael Francis Crotty | Apostolic Nuncio to Nigeria |
| 31 Aug 1969 |
| Archbishop Séamus Patrick Horgan | Apostolic Nuncio to South Sudan |
| 15 Jul 1968 |
| Archbishop John Joseph Kennedy | Secretary of the Dicastery for the Doctrine of the Faith, Roman Curia |
| 20 Jun 1967 |
| Bishop Thomas Deenihan | Bishop of Meath |
| 23 Jan 1967 |
| Bishop Fintan Monahan | Bishop of Killaloe |
| 1 Jan 1966 |
| Bishop Fintan Gavin | Bishop of Cork and Ross |
| 15 Apr 1965 |
| Bishop Michael Router | Auxiliary Bishop of Armagh |
| 25 Aug 1963 |
| Bishop Niall Coll | Bishop of Ossory |
| 7 Jun 1963 |
| Bishop Denis Nulty | Bishop of Kildare and Leighlin |
| 17 Oct 1962 |
| Bishop Paul Horan, O. Carm. | Bishop of Mutare, Zimbabwe |