Ordained Priest | Years | Name | Current Title |
| 17 Dec 1950 |
| Bishop Domenico Crescentino Marinozzi, O.F.M. Cap. | Vicar Apostolic Emeritus of Soddo-Hosanna |
| 25 Feb 1956 |
| Archbishop Thomas A. White | Apostolic Nuncio Emeritus to Fiji, Pacific (Oceania) |
| 21 Feb 1959 |
| Archbishop Patrick Coveney | Apostolic Nuncio Emeritus to Greece |
| 2 Apr 1960 |
| Bishop Lorenzo Ceresoli, M.C.C.I. | Vicar Apostolic Emeritus of Awasa |
| 19 Mar 1964 |
| Bishop Theodorus van Ruijven (van Ruyven), C.M. | Vicar Apostolic of Nekemte |
| 19 Mar 1965 |
| Archbishop Ramiro Moliner Inglés | Apostolic Nuncio to Albania |
| 31 May 1965 |
| Archbishop Silvano Maria Tomasi, C.S. | Apostolic Nuncio to Other |
| 11 Mar 1967 |
| Archbishop George Panikulam | Apostolic Nuncio to Ethiopia |
| 21 Jan 1968 |
| Bishop Woldetensaé Ghebreghiorghis, O.F.M. Cap. | Vicar Apostolic of Harar |
| 12 Apr 1969 |
| Bishop Giovanni Migliorati, M.C.C.I. | Vicar Apostolic of Awasa |
| 13 Dec 1969 |
| Bishop Rodrigo Mejía Saldarriaga, S.J. | Vicar Apostolic of Soddo-Hosanna |
| 13 Jun 1976 |
| Bishop Musie Ghebreghiorghis, O.F.M. Cap. | Bishop of Emdeber |
| 4 Jul 1976 |
| Archbishop Berhaneyesus Demerew Souraphiel, C.M. | Archbishop of Addis Abeba |
| 4 Apr 1980 |
| Bishop Tesfay Medhin | Bishop of Adigrat |
| 20 Apr 1980 |
| Bishop Abraham Desta | Vicar Apostolic of Meki |
| 2 Oct 1982 |
| Father Angelo Moreschi, S.D.B. | Prefect of Gambella |