Isiah is an English variant of the name Isaiah, rooted in the Hebrew name יְשַׁעְיָהוּ (Yesha'yahu), meaning "Yahweh is salvation" from the elements yashaʿ (to save) and yah (referring to God). In the Old Testament, Isaiah is one of the four major prophets, credited with authoring the Book of Isaiah. He ministered in Jerusalem during the 8th century BC, a period when the Assyrian Empire threatened the Kingdom of Judah. The name Isaiah entered English usage as a Christian name after the Protestant Reformation, and Isiah emerged as a phonetic variant, influenced perhaps by alternate spellings or regional pronunciation. Isiah has gained popularity in English-speaking countries, particularly in the United States, often chosen for its strong biblical heritage and melodic sound. The spelling "Isiah" drops the second 'a' of "Isaiah," making it a streamlined version. While less common than the original, it is recognized as a distinct given name. Related forms include Izaiah in English, Isaias in Greek, and Esaias in Latin. Notable bearers of the name include athletes and public figures, though detailed lists are rare. Etymology and Linguistic Roots Isiah shares the Hebrew components of Isaiah: yashaʿ (to save) and Yah (a shortened form of Yahweh). This theophoric construction is common in biblical names, highlighting a divine attribute. The name's survival and transformation into English forms reflect the enduring influence of scripture on Western naming traditions. Meaning: "Yahweh is salvation" Origin: Hebrew, via English adaptation Type: Variant of Isaiah Usage regions: English-speaking countries, especially the United States