Isaia is the Italian form of Isaiah, from Hebrew, meaning the Lord is salvation.
Isaia is the Italian and Portuguese form of Isaiah, one of the most towering names in the Hebrew scriptural tradition. The original Hebrew *Yeshayahu* (יְשַׁעְיָהוּ) means "God is salvation" or "salvation of Yahweh" — a name that reads as both declaration and prayer.
* Through Latin (*Isaias*) and then into the Romance languages, the name took its softer Italian shape: Isaia, with the stress on the second syllable, shedding the final *h* to become more melodically Italian in character. The name was borne by several Catholic saints, including the fourteenth-century Blessed Isaia Bonhomini, and remains in active use in Italy and Brazil. In Italian its sound is luminous and classical, belonging to the same family of biblical names — Elia, Ezra, Malachia — that carry prophetic gravity without heaviness.
In recent decades, Isaiah has surged in popularity in the United States, and the Italian variant Isaia has arrived with it, preferred by families of Italian heritage or by parents who want the biblical resonance with a Mediterranean warmth. It occupies a graceful middle space: unmistakably connected to ancient tradition, yet soft-sounding and contemporary enough to feel fresh in a modern child's life.