His Holiness Pope Marcellus I (in Latin Marcellus) is the Pope number 30 of the Catholic Church.
was born in Roma, in the current country of Italy.
The Holy Father Marcellus I initiated his pontificate in the year 308. He succeeded Pope Marcellinus. His papacy lasted for 1 years, ending during the year 309. He was succeeded by Eusebius, who would become the following bishop of Rome.