Pelagius was a British monk and theologian who lived in the 4th and 5th centuries. He is known for his views on free will and the role of grace in salvation. Synonyms for the name Pelagius include Morgan, Pelayo, Pelagija, and Pelagia. The name has a Latin origin and means "of the sea" or "sea-born." Pelagius was a prominent figure in the early Christian Church and played a significant role in the theological debates of his time. With his views challenging the perspectives of many in the church, the name Pelagius has become synonymous with his controversial teachings and their impact on Christian theology.