Pope Francis Adds Assyrian Saint Isaac of Nineveh to Roman Martyrology in Recognition of Shared Faith and Historical Dialogue

Pope Francis has added St. Isaac of Nineveh to the Roman Martyrology, recognizing the seventh-century Assyrian bishop as a saint venerated across Christian traditions. The decision was announced during a Vatican meeting with Mar Awa III, Catholicos-Patriarch of the Assyrian Church of the East, on November 9. This occasion marked two significant milestones: the 30th anniversary of the Common Christological Declaration, which ended a 1,500-year doctrinal dispute, and the 40th anniversary of the first historic meeting between a pope and an Assyrian patriarch.

In his remarks, Pope Francis quoted from the Second Vatican Council’s Unitatis Redintegratio, emphasizing that both the Assyrian Church of the East and the Catholic Church share “the same faith, handed down by the apostles,” even if expressed differently. He highlighted recent progress in Catholic-Assyrian dialogue, including the 2001 agreement on the Anaphora of Addai and Mari, an ancient Eucharistic prayer, and the 2017 joint statement on sacramental life. A 2022 document titled “The Images of the Church in the Syriac and Latin Patristic Traditions” further advanced mutual understanding.

The pope underscored the importance of theological dialogue in the pursuit of unity, stating that such dialogue must be grounded in truth and charity. His decision to include St. Isaac of Nineveh in the Martyrology followed a recommendation from the recent Synod on Synodality to recognize saints from other Christian traditions in the Catholic liturgical calendar. This move reflects a broader effort to honor shared spiritual heritage and promote unity among Christian communities.

Pope Francis also expressed concern for the plight of Middle Eastern Christians, praying for their continued witness in a region marked by conflict. He invoked the intercession of St. Isaac of Nineveh, alongside the Blessed Virgin Mary, to support Christians in war-torn lands. St. Isaac, also known as Isaac the Syrian, was a revered Christian mystic, monk, and bishop, known for his profound writings on asceticism, compassion, and interior spiritual life, which have influenced Christian spirituality across Eastern and Western traditions.

In closing the meeting, Pope Francis invited all present to pray the Our Father in their own languages and traditions, highlighting the shared spiritual heritage that binds these ancient Churches. Adding St. Isaac of Nineveh to the Catholic Martyrology serves as a reminder of the common roots and shared faith of both Churches, a faith that has endured through centuries of separation.

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