Roman Catholic Diocese of Great Falls–Billings

Diocese of Great Falls–Billings

Dioecesis Magnocataractensis–Billingensis
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 provinceProvince of Portland
Population
  •  
  • 51,629 (13.2%)
Information
DenominationCatholic
Sui iuris churchLatin Church
RiteRoman Rite
EstablishedMay 18, 1904
CathedralSt. Ann's Cathedral (Great Falls)
Co-cathedralSt. Patrick's Co-Cathedral (Billings)
Patron saintSt. Matthias the Apostle
St. Pius X
Current leadership
PopeLeo XIV
BishopJeffrey M. Fleming
Metropolitan ArchbishopAlexander King Sample
Bishops emeritusMichael W. Warfel
Map
Website
diocesegfb.org

The Diocese of Great Falls–Billings (Latin: Dioecesis Magnocataractensis–Billingensis) is a Latin Church diocese of the Catholic Church in eastern Montana in the United States.

The Diocese of Great Falls was established in 1904; it became the Diocese of Great Falls-Billings in 1980. The bishop of Great Falls-Billings 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.