Marcellinus was the bishop of Rome who served from 296 until his death in 304. Living during the reign of Emperor Diocletian, his leadership coincided with the rise of intense persecutions against Christians. While some historical accounts suggest he may have renounced his faith to avoid these pressures, other figures, such as Augustine of Hippo, disputed these claims. Because of these conflicting reports regarding his loyalty, his status in various liturgical records has historically been subject to debate.