| Diocese | Moosonee |
| City | Parish (Catholic Population of the Parish) |
| Chisasibi | St. Joseph (40) |
| Fort Severn | Sacres Coeurs de Jesus and Marie (40) |
| Waskaganish | Notre Dame de la Garde (70) |
| Ogoki | Sacred Heart of Jesus (85) |
| Moose Factory | Notre Dame du Perpetuel Secours (100) |
| Pickle Lake | Holy Rosary (150) |
| Fort Hope | Our Lady of Hope (200) |
| Peawanuk | Kateri Tekawitha (250) |
| Lansdowne House | Marie Mediatrice (285) |
| Radisson | Sts. Martyrs Canadiens (460) |
| Holy Angels (900) | |
| Attawapisket | St. Francois Xavier (1500) |
| Moosonee | Christ the King Cathedral (1500) |