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Western Liturgical family represents the Roman Catholic Church or churches that originate from it. Such offshoots include the Old Catholic Church and the Polish National Catholic Church, which differ from the Roman Catholic Church in their rejection of the authority of the pope.
Western Liturgical (Catholicism)
- Christ Catholic Church
- North American Old Roman Catholic Church (Archdiocese of New York)
- Polish National Catholic Church of America
- Reformed Catholic Church
- Roman Catholic Church
- United Catholic Church
Inactive Denominations (Denomination is defunct, has been renamed or merged with another denomination, or has not reported data since 1980)
- American Catholic Church (Syro-Antiochean)
- Lithuanian National Catholic Church in America
- Old Catholic Church in America
- Old Catholic Church in North America
- Old Roman Catholic Church (English Rite)
