There are two recognized St. Samuels, one by the Roman Catholic and Eastern Orthodox Churches and also one by the Coptic Orthodox Church. Both were Egyptian Christians. The earleir St. Samuel was martyred in 309A.D. for being a Christian. He comforted other Christians working in the mines of Cilicia. This Samual is a Roman Catholic and Eastern Orthodox Saint. The other St. Samuel is a Coptic Orthodox Saint born in the late 500s. He is known as Samuel the Confessor. A monastery in his name still exists in Egypt.
Also, it is to be remembered that the prophet Samuel from the Old Testament is a recognized Saint of the Catholic Church and the Eastern Orthodox Church, for he was saved through Christ in his belief, actions, and yearning done for the Savior to come.