Ordained Priest | Years | Name | Current Title |
| Most Senior |
| 12 Jul 1959 |
| Bishop Luigi Paiaro | Bishop Emeritus of Nyahururu |
| 16 Dec 1964 |
| Bishop Patrick Joseph Harrington, S.M.A. | Bishop Emeritus of Lodwar |
| 6 Jan 1966 |
| Bishop Philip Sulumeti | Bishop Emeritus of Kakamega |
| 19 Mar 1966 |
| Archbishop Giovanni Tonucci | Prelate Emeritus of Loreto, Italy |
| 29 Jun 1968 |
| Bishop Cornelius Schilder, M.H.M. | Bishop Emeritus of Ngong |
| 14 Nov 1968 |
| Archbishop Zacchaeus Okoth | Archbishop Emeritus of Kisumu |
| 5 Apr 1970 |
| Bishop Joseph Alessandro, O.F.M. Cap. | Bishop Emeritus of Garissa |
| 1 Nov 1970 |
| Archbishop Peter Joseph Kairo | Archbishop Emeritus of Nyeri |
| 26 Dec 1970 |
| Bishop Virgilio Pante, I.M.C. | Bishop Emeritus of Maralal |
| 4 Jun 1972 |
| Bishop Maurice Anthony Crowley, S.P.S. | Bishop Emeritus of Kitale |
| 30 Nov 1972 |
| Bishop Emmanuel Okombo Wandera | Bishop Emeritus of Kericho |
| 6 Jan 1973 |
| John Cardinal Njue | Archbishop Emeritus of Nairobi |
| Most Junior |
| 25 Feb 2006 |
| Bishop Henry Juma Odonya | Bishop of Kitale |
| 21 May 2005 |
| Bishop Wallace Ng’ang’a Gachihi | Bishop of Kenya, Military |
| 20 Nov 2004 |
| Bishop Peter Munguti Makau, I.M.C. | Bishop of Isiolo |
| 28 Jun 2003 |
| Bishop George Muthaka, O.F.M. Cap. | Bishop of Garissa |
| 18 May 2002 |
| Bishop John Mbinda, C.S.Sp. | Bishop of Lodwar |
| Apr 2002 |
| Monsignor John Njue Njeru | Priest of Embu |
| 15 Aug 2001 |
| Bishop Jackson Murugara, I.M.C. | Coadjutor Bishop of Meru |
| 5 Sep 1998 |
| Bishop Hieronymus Emusugut Joya, I.M.C. | Bishop of Maralal |
| 25 Oct 1996 |
| Bishop Joseph Obanyi Sagwe | Bishop of Kakamega |
| 7 Sep 1996 |
| Bishop Joseph Maluki Mwongela | Bishop of Kitui |
| 22 Jul 1995 |
| Bishop Peter Kimani Ndung’u | Bishop of Embu |
| 24 Jun 1995 |
| Bishop Cleophas Oseso Tuka | Bishop of Nakuru |