A spelling variant of Elijah, from Hebrew, meaning My God is Yahweh.
Elijiah is a variant spelling of the ancient Hebrew name Elijah (אֵלִיָּהוּ, Eliyahu), meaning 'my God is Yahweh' — a declaration of faith compressed into a personal name. The original Elijah is one of the most dramatic figures in the Hebrew Bible: a prophet who called down fire from heaven on Mount Carmel, fled into the desert, and was taken up to the heavens in a chariot of fire without ever tasting death. That mythos has lent every bearer of the name a kind of electric, prophetic energy across the millennia.
The name spread through Christian, Jewish, and Islamic traditions — where Elias appears in the Quran as a righteous prophet. In the Islamic world the name became Ilyas; in the Catholic and Orthodox traditions, Elias; and in the English-speaking Protestant world, Elijah gained enormous popularity during the Puritan era when biblical names were fashionable. The spelling Elijiah, with its doubled 'i,' may reflect a phonetic rendering capturing the name's three-syllable spoken cadence, or simply a family tradition of individualized spelling.
In contemporary America, Elijah has surged back into the top ten boys' names, driven partly by the actor Elijah Wood and by a broader revival of Old Testament names. The Elijiah spelling gives the name a subtle personalization — marking it as a conscious, intentional choice — while carrying all the historical and spiritual weight of one of antiquity's most vivid figures.