His presence there was in direct contravention of a Cromwellian edict that forbade Catholics to approach or enter towns such as Sligo.
In 1903, O'Connor condemned the oath of the International Typographical Union and forbid Catholics from taking it, saying, "A man owes his allegiance first to God.
Conceptually, said rating of condemnation forbade Roman Catholics from seeing A Clockwork Orange.
Richelieu then forbade non-Roman Catholics from living there.
Rome had forbidden Catholics to perform ancestral rituals and this was now being strictly applied by the Portuguese Franciscan bishop of Beijing Alexandre de Gouvea.
Cardinal Cullen had previously forbidden Catholics from attending these "godless colleges".
Previous rules specifically forbade Roman Catholics and their close relatives from joining but modern rules now use the wording "non reformed faith".
The Act of Settlement, in turn, forbids Catholics from becoming King or Queen of Canada.
The Church had forbidden Catholics from becoming Freemasons since 1738 with the issuing of the papal bull In eminenti.
It specifically forbids Roman Catholics from seeking membership in any Masonic group.