17 December, 2025
On the occasion of the 60th anniversary of the founding of the International Union of Superiors General (UISG), Pope Leo XIV addressed a letter to the President of the UISG, Sr. Oonah O’Shea, NDS, expressing gratitude for the many ways the UISG has carried out her mission with fidelity and courage, and encouraging religious women to renew their commitment as pilgrims and missionary disciples of hope.
Below is the full text of Pope Leo XIV’s letter.










