Saint Leo the Great, Pope and Doctor of the Church
Saint Leo the Great, Pope and Doctor of the Church, is commemorated on November 10th, honoring his papacy and theological contributions.

Who Was Saint Leo the Great?
Saint Leo the Great, born around 400 AD in Tuscany, Italy, served as Pope from 440 to 461 AD. He is renowned for his theological writings and sermons, many of which have been preserved and are part of the Roman Office of Readings. His papacy was marked by significant events, including his encounter with Attila the Hun in 452 AD, where he persuaded the invader to spare Rome. Additionally, he played a pivotal role in defining the nature of Christ at the Council of Chalcedon in 451 AD, affirming the doctrine of Christ's dual nature as both divine and human. His feast day is celebrated on November 10th, the anniversary of his death in 461 AD.
Saint Leo's contributions to the Church are profound. He was the first pope to be called "the Great" and is one of only two popes recognized as a Doctor of the Church, the other being Saint Gregory the Great. His writings and sermons have had a lasting impact on Christian theology, particularly concerning the nature of Christ and the authority of the papacy. His leadership during a tumultuous period in history, marked by barbarian invasions and internal ecclesiastical disputes, showcased his dedication to preserving the unity and integrity of the Church.
The Life and Legacy of Saint Leo the Great
Saint Leo the Great was born around 400 AD in Tuscany, Italy. He was an Italian aristocrat and became the first pope to be called "the Great." His papacy began on September 29, 440, and ended with his death on November 10, 461. During his tenure, he was instrumental in defining the nature of Christ at the Council of Chalcedon in 451 AD, affirming the doctrine of Christ's dual nature as both divine and human. He also played a significant role in defending Rome against barbarian invasions, notably persuading Attila the Hun to spare the city in 452 AD. His writings and sermons have had a lasting impact on Christian theology, particularly concerning the nature of Christ and the authority of the papacy. His feast day is celebrated on November 10th, the anniversary of his death in 461 AD.
Saint Leo's contributions to the Church are profound. He was the first pope to be called "the Great" and is one of only two popes recognized as a Doctor of the Church, the other being Saint Gregory the Great. His writings and sermons have had a lasting impact on Christian theology, particularly concerning the nature of Christ and the authority of the papacy. His leadership during a tumultuous period in history, marked by barbarian invasions and internal ecclesiastical disputes, showcased his dedication to preserving the unity and integrity of the Church.
Our Redeemer’s visible presence has passed over into the sacraments.
— St. Leo the GreatYou are Peter, and on this rock I will build my Church.
Matthew 16:18Symbols & iconography
- Papal TiaraSymbolizes the papal authority and leadership of Saint Leo the Great.
- LionRepresents Saint Leo's name and his courageous defense of the Church.
Customs & traditions
Attend Mass
Participate in the Eucharist to honor Saint Leo's contributions to the Church.
Read His Writings
Explore Saint Leo's sermons and letters to deepen understanding of his theological insights.
Reflect on Leadership
Consider how Saint Leo's leadership can inspire personal and family growth in faith.
About this date
The celebration falls on November 10th, the anniversary of Saint Leo the Great's death in 461 AD.
Frequently asked
Why is Saint Leo the Great called 'the Great'?
He was the first pope to be called 'the Great' due to his significant contributions to the Church.
What is the significance of Saint Leo's writings?
His writings have had a lasting impact on Christian theology, particularly concerning the nature of Christ and the authority of the papacy.
How did Saint Leo defend Rome against Attila the Hun?
He persuaded Attila to spare Rome during the invasion in 452 AD.
Pray it as a household
Bring the feast into your family’s day
Solua walks your family through the day’s prayer together — a few unhurried minutes, shaped by the season.
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