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Onix
How to Pronounce Onix
Pronounced OH-niks /ˈoʊ.nɪks/High
Meaning: -i- spelling of Onyx — from Greek onyx, 'a fingernail/claw; the onyx (a banded black gemstone)'Medium
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Onix is an -i- spelling of Onyx — from Greek onyx, 'a fingernail, a claw' (the banded black-and-white gemstone was named for its resemblance to a nail). A bold, sleek, modern gemstone/word-name (a Pokémon; popular in Latino families); the -i- styling personalizes it.
It registers thinly beside Onyx. Rare, a-black-gemstone at the root, and sleek.
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Frequently Asked
What does the name Onix mean?
Onix spells Onyx — Greek 'a fingernail/claw; the onyx (a black gemstone)'.
How do you pronounce Onix?
It's said OH-niks /ˈoʊ.nɪks/ — two syllables, stress on the first.
Is Onix a boy or girl name?
Onix is a boy's name (used for both).
How popular is Onix?
Onix is a rare name in the U.S.