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About Us

CMD Sisters
Extreme Unction
Father Christopher Gronenthal

Welcome to the Traditional Latin Mass, and to the unchanged Catholic Faith 


The priests and parishioners of Our Lady of the Sun Catholic Church reject the changes of Vatican II.  They want to preserve the Roman Catholic Faith by maintaining everything which was taught and done by the Church prior to Vatican II. 


In order to receive the sacraments here, it is therefore necessary that you attend exclusively the traditional Latin Mass, and avoid the new Mass, the reformed sacraments, as well as any Masses which are offered in union with the Vatican II hierarchy.             

Bishop Mark
Pivarunas CMRI

Sedevacantist Position

Sedevacantist Position

Sedevacantist Position
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"A Pope Cannot be a Heretic"

"A Pope Cannot be a Heretic"

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Pope Francis and Sedevacantism by Bishop Pivarunas (Traditional Catholic Conference)

Pope Francis and Sedevacantism by Bishop Pivarunas (Traditional Catholic Conference)

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"Quo Primum"

A papal bull decreed by Pope St. Pius V

July 14, 1570


"It shall be unlawful henceforth and forever throughout the Christian world to sing or to read Masses according to any formula other than that of this Missal published by Us; ..."


Another: "... which shall have the force of law in perpetuity, We order and enjoin under pain of Our displeasure that nothing be added to Our newly published Missal, nothing omitted therefrom, and nothing whatsoever altered therein."

Another: "In the case of those resident in other parts of the world it shall be excommunication 'latae sententiae' and all other penalties at Our discretion...."


Finally: "Should any person venture to do so, let him understand that he will incur the wrath of Almighty God and of the blessed Apostles Peter and Paul."

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