Iesus is the Latin form of the Greek name Jesus (Iēsous), used in the Vulgate, the Latin translation of the Bible. The name ultimately derives from the Aramaic Yešuaʿ (ישוע), a contracted form of the Hebrew Yehôšuaʿ (Joshua), meaning 'Yahweh is salvation'. Iesus appears in Latin biblical texts, most notably in the New Testament, where it refers to Jesus Christ, the central figure of Christianity. Linguistic Background In Classical Latin, the Greek Iēsous was transliterated as Iesus, with the nominative singular ending -us. This form was used throughout the Roman Empire and became standard in ecclesiastical Latin. The vocative form, Jesu (from Latin Iesu), was employed in medieval prayers and hymns, especially in England, but later declined. While English avoids Jesus as a personal name, its equivalent in Spanish—Jesús—has remained widely used in Hispanic countries. Religious Context According to Christian tradition, Yēšuaʿ ben Yōsēf was the Son of God born to the Virgin Mary, fulfilling Old Testament messianic prophecies (e.g., Isaiah 7:14). The Latin naming reflects the dissemination of Christianity through the Roman world, where Iesus became a foundational term in theology and liturgy. Related Names The name is connected to several variants across cultures: the Aramaic Yeshua, the Quranic Isa (Arabic: ʿĪsā), and the Arabic forms Eesa, Essa, and Issa. Its ultimate root is the Hebrew name Joshua (Yehoshua), derived from the divine name Yahweh. Meaning: Yahweh is salvation Origin: Latin (Vulgate); ultimately from Hebrew Joshua via Aramaic Yeshua Type: Masculine, liturgical form Usage Regions: Ancient Rome, Christian liturgy, Latin biblical contexts