A Mystic’s Campaign to Bring the Papacy Home

For much of the 14th century, the pope’s court operated from Avignon, in present-day France, rather than Rome. Catherine of Siena, a lay religious woman known for her intense spiritual life, pressed Pope Gregory XI to return. Her letters treated the location of the papal administration not as a matter of convenience but as a crisis of religious leadership: Rome, she argued, was the proper center of the Church, and the pope needed to act decisively.

Catherine did not hold an official church office. Her influence came through a forceful combination of religious conviction and direct political appeal. She wrote to the pope as someone who believed she was accountable to God for telling him what he should do. The letters could be blunt and demanding, urging him to overcome hesitation rather than offering the deference expected from a petitioner.

What the Letters Could—and Could Not—Do

A letter could not move a papal court by itself. The pope had to weigh the risks of leaving Avignon, where his administration had been based for decades, and returning to a Rome marked by political instability. Catherine’s writing was one part of a wider effort to persuade him; it gave a spiritual argument for a decision that also involved practical power and security.

Gregory XI did return to Rome in 1377. Catherine’s campaign is a striking example of how a person without formal rank could enter high politics: not by issuing orders, but by pressing a ruler with repeated, explicit demands framed as a matter of conscience. Her letters show that medieval religious devotion could operate as political lobbying—and that a pope’s decision about where to govern had consequences far beyond the walls of his court.