A deacon martyred at Nicomedia in the early Christian centuries, remembered chiefly through ancient liturgical tradition.

Saint Glicerius of Antioch was a deacon martyred at Nicomedia, in present-day Turkey, traditionally dated to the third century. Little beyond his clerical rank and the fact of his martyrdom has survived in the historical record.

Quick Facts

• Died: III century? (Nicomedia, Turkiye)
• Venerated as: Deacon and martyr
• Canonization: no formal process recorded; venerated through ancient local cult

Who Was Saint Glicerius of Antioch?

Saint Glicerius of Antioch was a deacon martyred at Nicomedia, in present-day Turkey, traditionally dated to the third century. Little beyond his clerical rank and the fact of his martyrdom has survived in the historical record.

Historical Setting

Nicomedia, an important city of Roman Asia Minor and later an imperial residence, was the site of significant Christian persecution, especially under Diocletian at the start of the fourth century, and produced numerous martyrs across the third and fourth centuries whose individual stories were often preserved only in the barest outline.

Why the Church Remembers Saint Glicerius of Antioch

As a deacon, Glicerius would have assisted at the liturgy and served the practical needs of his local Christian community before his arrest and execution; his memory, though sparse, preserves the witness of ordained ministers who died alongside the laypeople they served.

Canonization and Feast Day

No formal canonisation process is recorded for Saint Glicerius of Antioch; his veneration rests on ancient local cult received through the Church’s liturgical memory, as is ordinary for martyrs of this early period.

What Catholics Can Learn Today

A deacon remembered by title and place alone still testifies to the Church’s early conviction that ordained service and readiness for martyrdom went hand in hand, a conviction worth recovering whenever ministry today seems merely administrative.

A Prayer to Saint Glicerius of Antioch

Saint Glicerius, deacon and martyr, pray for deacons and all who serve the Church’s liturgy and charity, that they may serve with the same readiness to give all that you showed. Amen.

Sources

• Roman Martyrology
• Butler’s Lives of the Saints