Spelling Variants
Isaiah vs Isaias: Which Spelling?
Isaiah and Isaias are both derived from the Hebrew name Yeshayahu.
Global Rank #57
Isaiah
Origin: English
Isaiah derives from the Hebrew name Yeshayahu (ישעיהו), meaning "God is salvation" or "the Lord is my salvation," combining the elements "yasha" (to save) and "Yah" (God).
Global Rank #219
Isaias
Origin: Biblical Latin
Isaias means "God is salvation" and derives from the Hebrew name Yeshayahu (ישעיהו), combining "yasha" (to save) and "Yah" (God).
Which is more popular? Based on real registry rankings, Isaiah currently ranks higher globally. Popularity can vary a lot by country — check each name's own page for a full regional breakdown.