Who were some famous martyrs during the reign of Diocletian?

By CopticBot.ai (Coptic Space Inc.) · Last reviewed 2026-10-10

The reign of the Roman Emperor Diocletian (284–305 AD) is known in the Coptic Orthodox Church as the Era of the Martyrs. His persecution was so severe and widespread, specifically targeting the faithful in Egypt, that the Coptic Church dated its calendar (the transition from the Julian calendar to the Coptic Calendar) from the year he took office (284 AD) to honor those who shed their blood for Christ.

According to our hagiography and historical records, the following are some of the most prominent martyrs from this era:

1. St. George

Known as the "Prince of Martyrs," St. George was a high-ranking officer in the Roman army. He publicly defied Diocletian’s edicts against Christians. Despite seven years of unimaginable tortures, he never wavered in his faith. His courage led to the conversion of many, including Empress Alexandra (the wife of Diocletian or a high-ranking official).

2. St. Demiana and the Forty Virgins

St. Demiana was the daughter of Marcus, the Governor of Borolos. When her father initially succumbed to Diocletian’s pressure and offered incense to idols, Demiana rebuked him, saying she would rather see him dead than an apostate. Marcus repented and declared his faith, leading Diocletian to order his execution.

• The Martyrdom: Diocletian then sent an officer to dissuade Demiana from her faith. She and forty other virgins who lived with her in a palace of prayer refused to denounce Christ. They were subjected to horrific tortures before being beheaded, receiving the crown of martyrdom together.

3. St. Maurice and the Theban Legion

St. Maurice was the leader of the Theban Legion, a Roman legion composed entirely of Christian soldiers from Upper Egypt (Thebes). When Diocletian (and his co-emperor Maximian) ordered the legion to offer sacrifices to idols and participate in the persecution of fellow Christians in Gaul (modern-day Switzerland), Maurice and his men refused. The entire legion—numbering approximately 6,600 men—was decimated (every tenth man killed) and eventually massacred for their refusal to betray Christ.

4. St. Philotheus

A young boy from Antioch who moved to Egypt, St. Philotheus was known for his piety. He stood before the Emperor and refused to worship idols. He was subjected to many tortures and eventually martyred, becoming a symbol of the strength found in even the youngest of the faithful.

5. St. Claudius

St. Claudius was another prominent martyr during this period. The festival of St. Claudius was a major event for the Copts, often celebrated with great joy even amidst periods of continued exile for their bishops.

6. St. Cyrus and St. John (Abba Kyros and Yoannes)

St. Cyrus (a monk and physician) and St. John (a soldier) were Diocletianic martyrs. They were known for their healing and their steadfastness. St. Cyril of Alexandria famously led a massive procession to move their relics to Menouthis to "squash Satan and chase the demons" from a pagan shrine. Their memory survives today in the village of Aboukir (named after Abba Kyros).

The stories of these martyrs are not just historical accounts; they are the heart of the Coptic identity. Their steadfastness against the "infuriated" Diocletian is commemorated daily in the Synaxarium and in the hymns of the Church.

The melodies of the Doxologies for these martyrs are preserved by the great cantors of our Church, such as Moalem Ibrahim Ayad, Moalem Gad Lewis, and Moalem George Mikhail, who ensures that the curriculum of the St. Didymus Institute is taught to the current generation of deacons in the Diaspora.