A layman martyred in Alexandria in 237 alongside five named companions, during a period of persecution in Egypt.

Saint Silesius was a layman in Alexandria, Egypt, who died as a martyr in the year 237 together with a group of named companions: Saints Hieronides, Leontius, Serapion, Valerian, and Strato. Their shared death reflects the dangers faced by Christians in Alexandria during a period of local persecution in the early third century.

Quick Facts

• Died: 237, at Alexandria, Egypt
• Venerated as: Layman and martyr
• Companions: Saints Hieronides, Leontius, Serapion, Valerian, and Strato

Who Was Saint Silesius?

Silesius was one of a group of Christian laymen in Alexandria who were martyred together in 237. He is named alongside five companions, suggesting a shared arrest and execution rather than an isolated event, though no further narrative of the circumstances has survived.

Historical Setting

Third-century Alexandria was one of the largest and most intellectually significant cities of the Roman world, and also a place of periodic violent hostility toward Christians, sometimes from imperial authorities and sometimes from local mobs, well before the empire-wide persecutions of the following decades.

Why the Church Remembers Saint Silesius

Silesius is remembered as part of a company of martyrs who died together for their faith in Alexandria. The Church has long honored such group martyrdoms as a testimony to the shared courage and solidarity of the early Christian community under threat.

Canonization and Feast Day

No formal canonization process is recorded for Silesius. His veneration, shared with his named companions, rests on the ancient cult of the Alexandrian church, preserved through liturgical memory long before formal canonization procedures existed.

What Catholics Can Learn Today

Silesius and his companions faced death together, a reminder that Christian courage is often strengthened in community rather than isolation. Their shared witness speaks to the value of solidarity among believers facing trial for their faith.

A Prayer to Saint Silesius

Saint Silesius, martyr alongside your companions in Alexandria, you stood together in faith even unto death. Help us find strength in Christian community when our own faith is tested. Amen.

Sources

• Roman Martyrology
• Butler’s Lives of the Saints