Ordained Bishop | Years | Name | Current Title |
| Most Senior |
| 27 Nov 1981 |
| Patriarch Grégoire III (Loutfi) Laham, B.S. | Patriarch Emeritus of Antiochia {Antioch} (Melkite Greek), Syria |
| 7 Mar 1982 |
| Bishop Ibrahim Namo Ibrahim | Bishop Emeritus of Saint Thomas the Apostle of Detroit (Chaldean), USA |
| 21 Aug 1983 |
| Archbishop Paul Dahdah, O.C.D. | Vicar Apostolic Emeritus of Beirut {Bairut}, Lebanon |
| 21 Oct 1984 |
| Bishop Bawai (Ashur) Soro | Bishop Emeritus of Mar Addai of Toronto (Chaldean), Canada |
| 7 Oct 1994 |
| Archbishop Giuseppe Lazzarotto | Apostolic Nuncio |
| 5 May 1996 |
| Archbishop Djibrail Kassab | Bishop Emeritus of Saint Thomas the Apostle of Sydney (Chaldean), Australia |
| 9 Dec 1999 |
| Archbishop Basile Georges Casmoussa | Apostolic Visitor (Visitator) |
| 20 Jan 2001 |
| Archbishop Jean Benjamin Sleiman, O.C.D. | Archbishop of Baghdad |
| 16 Feb 2001 |
| Bishop Shlemon Warduni | Curial Bishop Emeritus of Babylon {Babilonia} (Chaldean) |
| 19 Mar 2001 |
| Fernando Cardinal Filoni | Grand Master of the Equestrian Order of the Holy Sepulchre of Jerusalem |
| 2 Sep 2001 |
| Patriarch Youssef (Joseph) Absi, S.M.S.P. | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 1 Feb 2002 |
| Bishop Mikha Pola Maqdassi | Auxiliary Bishop Emeritus of Baghdad (Chaldean) |
| Most Junior |
| 26 Oct 2025 |
| Father Mirosław Stanisław Wachowski | Apostolic Nuncio to Iraq |
| 10 Nov 2023 |
| Archbishop Imad Khoshaba Gargees | Archbishop of Teheran (Chaldean), Iran |
| 27 Aug 2023 |
| Archbishop Nersès (Joseph) Zabarian (Zabbara) | Archbishop of Baghdad (Armenian) |
| 3 Feb 2023 |
| Archbishop Younan (Benedict Qusay Mubarak Abdullah) Hano | Archbishop of Mossul (Syrian) |
| 21 Jan 2022 |
| Bishop Azad Sabri Shaba | Bishop of Duhok (Dohuk) (Chaldean) |
| 30 Oct 2020 |
| Archbishop Atanasius Firas Mundher Dardar | Patriarchal Exarch of Bassorah e Golfo (Syrian) |
| 30 Aug 2020 |
| Bishop Felix (Saeed) Dawood Al Shabi | Bishop of Zākhō (Zaku) (Chaldean) |
| 8 Aug 2020 |
| Archbishop Mitja Leskovar | Apostolic Nuncio to Congo, Democratic Republic of |
| 7 Jun 2019 |
| Archbishop Nathanael Nizar Wadih Semaan | Archbishop of Adiabene (Syrian) |
| 18 Jan 2019 |
| Archbishop Najib Mikhael Moussa, O.P. | Archbishop of Mossul-Aqrā (Akra) (Chaldean) |
| 18 Jan 2019 |
| Bishop Robert Saeed Jarjis | Bishop of Mar Addai of Toronto (Chaldean), Canada |
| 10 Oct 2015 |
| Archbishop Alberto Ortega Martín | Apostolic Nuncio to Venezuela |