| Date | Age | Event | Bishop | Title | Current Title |
| 1753 | | Born | de Longueville † | | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 22 Jan 1766 | | Appointed | Girard, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon |
| 28 Apr 1767 | | Appointed | Julien-François Becquet, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon | Prelate Emeritus |
| 1775 | | Resigned | Julien-François Becquet, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon | Prelate Emeritus |
| 35.0 | Appointed | de Longueville † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| 40.0 | Resigned | de Longueville † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| Born | Le Helloco † | | Prefect of Iles Saint-Pierre et Miquelon |
| Appointed | Ollivier † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| 29 May 1820 | 67.4 | Died | de Longueville † | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 1835 | | Born | Letournoux † | | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 7 Sep 1842 | | Resigned | Ollivier † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| 22 Jun 1853 | 44.5 | Appointed | Le Helloco † | Prefect of Iles Saint-Pierre et Miquelon |
| 24 Aug 1859 | | Born | Christophe-Louis Légasse † | Bassussary | Bishop of Périgueux (-Sarlat), France |
| 22 Mar 1861 | | Born | Charles Joseph Heitz † | Mulhouse, France | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 28 Dec 1867 | 59.0 | Died | Le Helloco † | Prefect of Iles Saint-Pierre et Miquelon |
| 13 Jul 1884 | 24.9 | Ordained Priest | Christophe-Louis Légasse † | Priest | Bishop of Périgueux (-Sarlat), France |
| 1 May 1886 | 25.1 | Ordained Priest | Charles Joseph Heitz † | Priest | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 19 Sep 1893 | 58.7 | Died | Letournoux † | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 1899 | 39.4 | Appointed | Christophe-Louis Légasse † | Prefect of Iles Saint-Pierre et Miquelon | Bishop of Périgueux (-Sarlat), France |
| 6 Dec 1915 | 56.3 | Appointed | Christophe-Louis Légasse † | Bishop of Oran, Algeria | Bishop of Périgueux (-Sarlat), France |
| 1916 | | Appointed | Giuseppe Oster, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon |
| 22 Feb 1916 | 56.5 | Ordained Bishop | Christophe-Louis Légasse † | Bishop of Oran, Algeria | Bishop of Périgueux (-Sarlat), France |
| 13 Aug 1920 | 61.0 | Appointed | Christophe-Louis Légasse † | Bishop of Périgueux (-Sarlat), France |
| 1922 | | Died | Giuseppe Oster, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon |
| 7 May 1922 | | Born | François Joseph Maurer, C.S.Sp. † | Bernardvillé | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 9 Nov 1922 | 61.6 | Appointed | Charles Joseph Heitz † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| 30 Jul 1931 | 71.9 | Died | Christophe-Louis Légasse † | Bishop of Périgueux (-Sarlat), France |
| 1933 | 71.8 | Resigned | Charles Joseph Heitz † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| 27 Nov 1933 |
| Born | Lucien Prosper Ernest Fischer, C.S.Sp. | Strasbourg, France | Vicar Apostolic of Iles Saint-Pierre et Miquelon |
| 8 Sep 1944 | 83.5 | Died | Charles Joseph Heitz † | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 23 Nov 1945 | | Appointed | Raimondo Enrico Martín, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon |
| 15 Feb 1948 | 25.8 | Ordained Priest | François Joseph Maurer, C.S.Sp. † | Priest of Congregation of the Holy Spirit | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 30 Sep 1962 | 28.8 | Ordained Priest | Lucien Prosper Ernest Fischer, C.S.Sp. | Priest of Congregation of the Holy Spirit | Vicar Apostolic of Iles Saint-Pierre et Miquelon |
| 17 May 1966 | 44.0 | Appointed | François Joseph Maurer, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 16 Nov 1970 | 48.5 | Appointed | François Joseph Maurer, C.S.Sp. † | Vicar Apostolic of Iles Saint-Pierre et Miquelon | Vicar Apostolic Emeritus |
| 48.5 | Appointed | François Joseph Maurer, C.S.Sp. † | Titular Bishop of Chimaera | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 23 May 1971 | 49.0 | Ordained Bishop | François Joseph Maurer, C.S.Sp. † | Titular Bishop of Chimaera | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 17 Feb 2000 | 66.2 | Appointed | Lucien Prosper Ernest Fischer, C.S.Sp. | Vicar Apostolic of Iles Saint-Pierre et Miquelon |
| 66.2 | Appointed | Lucien Prosper Ernest Fischer, C.S.Sp. | Titular Bishop of Avioccala | Vicar Apostolic of Iles Saint-Pierre et Miquelon |
| 77.8 | Retired | François Joseph Maurer, C.S.Sp. † | Vicar Apostolic of Iles Saint-Pierre et Miquelon | Vicar Apostolic Emeritus |
| 5 Apr 2000 | 77.9 | Died | François Joseph Maurer, C.S.Sp. † | Vicar Apostolic Emeritus of Iles Saint-Pierre et Miquelon |
| 18 Jun 2000 | 66.6 | Ordained Bishop | Lucien Prosper Ernest Fischer, C.S.Sp. | Titular Bishop of Avioccala | Vicar Apostolic of Iles Saint-Pierre et Miquelon |