Pope Marinus I was the bishop of Rome and ruler of the Papal States from 882 until his death on 15 May 884. Controversially at the time, he was already a bishop when he became pope, and had served as papal legate to Constantinople. He was also erroneously called Pope Martin II leading to the second pope named Martin to take the name Martin IV.

Pope Marinus I, who reigned as Roman Pontiff from 882–884.

882

884