Magnus of Oderzo was a 7th-century Italian bishop who played a significant role in the early religious history of Venice. Born in Altinum around 580, he served as the Bishop of Oderzo during a period of significant political change. Following the Lombard invasion of Italy, he traveled to Venice in 638, where he contributed to the establishment of several foundational religious sites.
Life and work

After relocating to Venice due to the Lombard invasion, Magnus founded several early churches. His architectural and religious legacy includes the sites of San Pietro di Castello, Santa Maria Formosa, and San Zaccaria, among others. He served as a presbyter and later as a bishop, helping to secure the Christian presence in the region during a period of upheaval.
Veneration
The saint is commemorated in the Catholic tradition on October 6. His remains are said to be located within the church of San Geremia in Venice. He is remembered for his foundational work in the Venetian lagoon area, specifically through the many parishes he established during his lifetime.
