| Date | Age | Event | SSPX Bishop | Title | Current Title |
|---|
| 29 Nov 1905 | | Born | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | | Bishop Emeritus of Tulle, France |
| 25 May 1929 | 23.4 | Ordained Deacon | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Deacon of Lille, France | Bishop Emeritus of Tulle, France |
| 21 Sep 1929 | 23.8 | Ordained Priest | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Priest of Lille, France | Bishop Emeritus of Tulle, France |
| 1 Sep 1931 | 25.7 | Entered | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Priest of Congregation of the Holy Spirit | Bishop Emeritus of Tulle, France |
| 8 Sep 1931 | 25.7 | Professed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Priest of Congregation of the Holy Spirit | Bishop Emeritus of Tulle, France |
| 8 Mar 1940 |
| Born | [Richard Nelson Williamson] | | Bishop |
| 14 Sep 1945 | | Born | [Bernard Tissier de Mallerais], S.S.P.X. † | | Bishop |
| 12 Jun 1947 | 41.5 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Vicar Apostolic of Dakar, Senegal | Bishop Emeritus of Tulle, France |
| 41.5 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Titular Bishop of Anthedon | Bishop Emeritus of Tulle, France |
| 18 Sep 1947 | 41.8 | Ordained Bishop | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Titular Bishop of Anthedon | Bishop Emeritus of Tulle, France |
| 9 Jan 1948 | 42.1 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Apostolic Administrator of Saint-Louis du Sénégal | Bishop Emeritus of Tulle, France |
| 22 Sep 1948 | 42.8 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Titular Archbishop of Arcadiopolis in Europa | Bishop Emeritus of Tulle, France |
| 42.8 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Apostolic Delegate to Dakar | Bishop Emeritus of Tulle, France |
| 28 Jan 1955 | 49.1 | Ceased | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Apostolic Administrator of Saint-Louis du Sénégal | Bishop Emeritus of Tulle, France |
| 14 Sep 1955 | 49.7 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Archbishop of Dakar, Senegal | Bishop Emeritus of Tulle, France |
| 19 Feb 1956 | 50.2 | Installed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Archbishop of Dakar, Senegal | Bishop Emeritus of Tulle, France |
| 14 Jan 1957 |
| Born | [Alfonso de Galarreta], S.S.P.X. | | Bishop |
| 12 Apr 1958 |
| Born | [Bernard Fellay], S.S.P.X. | | Bishop |
| 9 Jul 1959 | 53.6 | Resigned | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Apostolic Delegate to Dakar | Bishop Emeritus of Tulle, France |
| 23 Jan 1962 | 56.1 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Archbishop (Personal Title) of Tulle, France | Bishop Emeritus |
| 15 Apr 1962 | 56.3 | Installed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Bishop of Tulle, France | Bishop Emeritus |
| 27 Jul 1962 | 56.6 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Superior General of Congregation of the Holy Spirit | Bishop Emeritus of Tulle, France |
| 7 Aug 1962 | 56.6 | Appointed | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Titular Archbishop of Synnada in Phrygia | Bishop Emeritus of Tulle, France |
| 56.6 | Resigned | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Bishop of Tulle, France | Bishop Emeritus |
| 29 Oct 1968 | 62.9 | Resigned | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Superior General of Congregation of the Holy Spirit | Bishop Emeritus of Tulle, France |
| 10 Dec 1970 | 65.0 | Resigned | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Titular Archbishop of Synnada in Phrygia | Bishop Emeritus of Tulle, France |
| 23 Jan 1971 | 30.8 | Converted | [Richard Nelson Williamson] | Bishop |
| 29 Jun 1975 | 29.7 | Ordained Priest | [Bernard Tissier de Mallerais], S.S.P.X. † | Priest of [Society of Saint Pius X (SSPX)] | Bishop |
| 36.3 | Ordained Priest | [Richard Nelson Williamson] | Priest of [Society of Saint Pius X (Schismatic)] | Bishop |
| 24 Aug 1980 | 23.6 | Ordained Priest | [Alfonso de Galarreta], S.S.P.X. | Priest of [Society of Saint Pius X (SSPX)] | Bishop |
| 29 Jun 1982 | 24.2 | Ordained Priest | [Bernard Fellay], S.S.P.X. | Priest of [Society of Saint Pius X (SSPX)] | Bishop |
| 1984 | 38.2 | Selected | [Bernard Tissier de Mallerais], S.S.P.X. † | Secretary General of [Society of Saint Pius X (SSPX)] | Bishop |
| 30 Jun 1988 | 30.2 | Ordained Bishop | [Bernard Fellay], S.S.P.X. | Bishop |
| 31.4 | Ordained Bishop | [Alfonso de Galarreta], S.S.P.X. | Bishop |
| 42.7 | Ordained Bishop | [Bernard Tissier de Mallerais], S.S.P.X. † | Bishop |
| 48.3 | Ordained Bishop | [Richard Nelson Williamson] | Bishop |
| 25 Mar 1991 | 85.3 | Died | Marcel-François Joseph Marie Lefebvre, C.S.Sp. † | Bishop Emeritus of Tulle, France |
| Jul 1994 | 36.2 | Selected | [Bernard Fellay], S.S.P.X. | Superior General of [Society of Saint Pius X (SSPX)] | Bishop |
| 1996 | 50.2 | Resigned | [Bernard Tissier de Mallerais], S.S.P.X. † | Secretary General of [Society of Saint Pius X (SSPX)] | Bishop |
| Oct 2012 | 72.5 | Resigned | [Richard Nelson Williamson] | Priest of [Society of Saint Pius X (Schismatic)] | Bishop |
| 11 Jul 2018 | 60.2 | Resigned | [Bernard Fellay], S.S.P.X. | Superior General of [Society of Saint Pius X (SSPX)] | Bishop |
| 8 Oct 2024 | 79.0 | Died | [Bernard Tissier de Mallerais], S.S.P.X. † | Bishop |
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