Miciah is likely a variant of Micaiah, a Hebrew biblical name meaning who is like the Lord.
Miciah is a variant spelling of the Hebrew name Michaiah (מִיכָיָהוּ), a compound of mi ("who"), ka ("like"), and Yah (a shortened form of YHWH, the divine name). The full meaning — "Who is like God?" — is a rhetorical affirmation rather than a question, asserting divine incomparability.
It shares this etymology with Michael (מִיכָאֵל), which substitutes El (another divine title) for Yah, making Miciah essentially a theophoric twin of one of the world's most common given names. In the Hebrew Bible, the name appears in several forms across different texts. The prophet Micah, whose Book is among the Hebrew minor prophets, preached social justice with fierce clarity: his verse "do justice, love kindness, walk humbly" (Micah 6:8) remains one of the most frequently quoted passages in all of scripture.
A separate figure, Micaiah son of Imlah, appears in Kings as a courageous prophet who alone dares to contradict four hundred court prophets and tell King Ahab a truth the king does not wish to hear — an archetype of moral courage against collective pressure. These two biblical bearers give the name a legacy of prophetic integrity. The Miciah spelling, with its soft -iah ending, gives the name a gender-fluid quality that has made it increasingly appealing in contemporary naming culture.
It reads as subtly distinct from the more common Micah while preserving identical pronunciation in most dialects. Parents drawn to biblical depth, spiritual resonance, or simply beautiful sound have adopted Miciah as a name that is ancient yet feels fresh — carrying millennia of meaning into a modern syllable.