Chronology of Catholic Dioceses:Sierra Leone
See a list of abbreviations used in this list. See also our listing of current ecclesial jurisdictions.
- 1514
- Funchal (established by the Portuguese, see footnote) - Portugal
- 1534
- São Tomé (detached from Funchal) - São Tomé e Principe
- 1842
- The Two Guineas and Senegambia (AP, detached from Funchal, and from São Tomé) - West African coast between the Senegal River and the Oranje River, except Loanda/Angola
- 1846
- The Two Guineas and Senegambia (AV) - Western Africa from Senegal River to Loanda
- 1858
- Sierra Leone (AV, detached from The Two Guineas and Senegambia, AV) - Sierra Leone, Liberia, French Guinea
- 1950
- Freetown and Bo (D, and new name, previously Sierra Leone AV) - Sierra Leone
- 1952
- Makeni (AP, detached from Freetown and Bo) - Sierra Leone
- 1962
- Makeni - Sierra Leone
- 1970
- Freetown and Bo (Metr.) - Sierra Leone
- 1970
- Kenema (detached from Freetown and Bo) - Sierra Leone