Diocese of Great Falls–Billings
Diocese of Great Falls–Billings Dioecesis Magnocataractensis–Billingensis | |
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Coat of Arms of the Diocese of Great Falls-Billings | |
| Location | |
| Country | United States |
| Territory | Big Horn, Blaine, Carbon, Carter, Cascade, Chouteau, Custer, Daniels, Dawson, Fallon, Fergus, Garfield, Golden Valley, Hill, Judith Basin, Liberty, McCone, Musselshell, Park, Petroleum, Phillips, Powder River, Prairie, Richland, Roosevelt, Rosebud, Sheridan, Stillwater, Sweet Grass, Treasure, Valley, Wibaux and Yellowstone counties in eastern Montana |
| Ecclesiastical province | Province of Portland |
| Population |
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| Information | |
| Denomination | Catholic |
| Sui iuris church | Latin Church |
| Rite | Roman Rite |
| Established | May 18, 1904 |
| Cathedral | St. Ann's Cathedral (Great Falls) |
| Co-cathedral | St. Patrick's Co-Cathedral (Billings) |
| Patron saint | St. Matthias the Apostle St. Pius X |
| Current leadership | |
| Pope | Leo XIV |
| Bishop | Jeffrey M. Fleming |
| Metropolitan Archbishop | Alexander King Sample |
| Bishops emeritus | Michael W. Warfel |
| Map | |
| Website | |
| diocesegfb.org | |
The Diocese of Great Falls–Billings (Latin: Dioecesis Magnocataractensis–Billingensis) is a diocese of the Catholic Church in eastern Montana in the United States. It was established in 1904; it became the Diocese of Great Falls-Billings in 1980. The bishop is Jeffrey Fleming. The diocese has two cathedrals: St Ann's Cathedral in Great Falls, dedicated in 1907, and St Patrick's Co-Cathedral in Billings, dedicated in 1908.