
Who Was Saint Ptolemy of Rome?
Saints
A second-century Roman layman martyred for the Christian faith around the year 160, remembered together with a companion named Lucius.
Saint Ptolemy of Rome was a Christian layman put to death for his faith in Rome, Italy, around the year 160. He is remembered together with a companion, Saint Lucius, whose case closely parallels his own; both are examples of early Roman Christians executed not for any crime but simply for professing Christianity, a pattern well attested in surviving second-century accounts of Roman justice toward Christians.

Quick Facts
- Died: c. 160, Rome, Italy
- Venerated as: Layman and martyr
- Companion: Saint Lucius
Who Was Saint Ptolemy of Rome?
Saint Ptolemy of Rome was a layman who died for the Christian faith in Rome around the year 160, in the middle of the second century. He is remembered alongside Saint Lucius, a companion whose martyrdom is closely tied to his own in the tradition. No details of Ptolemy’s family, occupation, or the specific accusation brought against him survive, which is consistent with the pattern of many second-century Roman martyrs known chiefly through brief mentions in early Christian sources.
Historical Setting
The second century saw Christianity spread widely through the city of Rome even as it remained formally illegal under Roman law, with believers liable to execution simply for confessing the name of Christ before a magistrate, even without any other charge. This is precisely the situation described by early Christian apologists of the period, who recorded cases of Christians condemned to death for their profession of faith alone. Ptolemy and Lucius’s martyrdom around 160 fits squarely within this well-documented pattern of second-century Roman persecution.
Why the Church Remembers Saint Ptolemy of Rome
The Church remembers Saint Ptolemy of Rome as one of the early witnesses whose death demonstrated that mere profession of the Christian name, without any other offense, was enough to bring a death sentence under Roman law in this period. His martyrdom alongside Saint Lucius stands among the earliest instances of Christians dying for the faith itself, rather than for any accusation of wrongdoing.
Canonization and Feast Day
No formal canonization process is recorded for Saint Ptolemy of Rome. His veneration rests on the ancient and immemorial cult of the early Roman martyrs, preserved through the Church’s liturgical tradition long before any formal canonical process existed.
What Catholics Can Learn Today
Saint Ptolemy of Rome’s martyrdom, arising from nothing more than his open profession of faith, reminds Catholics today that simply naming oneself a Christian has, at various times and places in history, been enough to invite persecution. His example calls believers to the same quiet courage: willingness to be known plainly as followers of Christ, whatever the cost.
A Prayer to Saint Ptolemy of Rome
Saint Ptolemy of Rome, who confessed the name of Christ even at the cost of your life, pray for us who are sometimes afraid to name our faith openly. Give us courage to profess Christ without fear, and unite us in spirit with all who suffer for the faith today. Amen.
Sources
- Roman Martyrology (general commemoration of early Christian martyrs)
- Butler’s Lives of the Saints, ed. Herbert Thurston and Donald Attwater
