 | 1880 | 1881 | 1882 |  |
Date | Country | Change |
| 1881 |  Angola | Mission sui juris of Cunène was established (from Apostolic Prefecture of Cimbebasia) |
| 1881 |  Chile | Mission sui juris of Antofagasta was established (from Metropolitan Archdiocese of La Plata and Diocese of La Serena) |
| 1881 |  Syria | Metropolitan Archdiocese of Bosra (Greek-Melkite Rite) was renamed as Metropolitan Archdiocese of Bosra–Hauran (gained territory from the suppressed Archdiocese of Haūrān) |
| 1881 | Syria | Archdiocese of Haūrān (Greek-Melkite Rite) was suppressed (to Metropolitan Archdiocese of Bosra–Hauran) |
| 1881.06.14 |  USA | Diocese of Davenport was established (from Diocese of Dubuque and became suffragan of Saint Louis) |
| 1881.07.05 |  Bosnia and Herzegovina | Diocese of Banjaluka was established (became suffragan of Vrhbosna) |
| 1881.07.05 | Bosnia and Herzegovina | Apostolic Vicariate of Hercegovine was promoted as Diocese of Mostar–Duvno (became suffragan of Vrhbosna) |
| 1881.07.05 | Bosnia and Herzegovina | Apostolic Vicariate of Bosnia was promoted as Metropolitan Archdiocese of Vrhbosna (with suffragan sees Banjaluka, Mostar–Duvno and Trebinje–Mrkan) |
| 1881.08.02 | USA | Diocese of Trenton was established (from Diocese of Newark and became suffragan of New York) |
| 1881.08.16 |  Lebanon | Diocese of Beirut (Greek-Melkite Rite) was promoted as Metropolitan Archdiocese of Beirut–Gibail (gained territory from the suppressed Diocese of Gibail) |
| 1881.08.16 | Lebanon | Diocese of Gibail (Greek-Melkite Rite) was suppressed (to Metropolitan Archdiocese of Beirut–Gibail) |
| 1881.09.30 |  Portugal | Diocese of Aveiro was suppressed (to Diocese of Coimbra, Diocese of Porto and Diocese of Viseu) |
| 1881.09.30 | Portugal | Metropolitan Archdiocese of Braga lost territory to Diocese of Bragança e Miranda and Diocese of Porto |
| 1881.09.30 | Portugal | Diocese of Castelo Branco was suppressed (to Diocese of Guarda and Diocese of Portalegre) |
| 1881.09.30 | Portugal | Diocese of Coimbra lost territory to Diocese of Guarda |
| 1881.09.30 | Portugal | Diocese of Elvas was suppressed (to Metropolitan Archdiocese of Évora and Diocese of Portalegre) |
| 1881.09.30 | Portugal | Diocese of Lamego lost territory to Diocese of Porto |
| 1881.09.30 | Portugal | Diocese of Leiria was suppressed (to Patriarchal See of Lisboa and Diocese of Coimbra) |
| 1881.09.30 | Portugal | Diocese of Pinhel was suppressed (to Diocese of Guarda) |
| 1881.12.11 |  Mexico | Diocese of Colima was established (from Metropolitan Archdiocese of Guadalajara and became suffragan of Guadalajara) |
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