Elias is the Greek equivalent of Elijah (Hebrew: אֵלִיָּהוּ ʾĒlīyyāhū; Syriac: ܐܠܝܐ Eliyā; Arabic: الیاس Ilyās/Elyās), a prophet in the Northern Kingdom of Israel in the 9th century BC, mentioned in several holy books. Due to Elias' role in the scriptures and to many later associated traditions, the name is used as a personal name in numerous languages.
Read more on Wikipedia