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Onyxx

♂ Boy

Pronounced ON-iks /ˈɒn.ɪks/High

Meaning: A spelling of Onyx — from Greek onyx, 'a fingernail/claw', the name of the black banded gemstoneLow

In 30 seconds: A black gemstone: Onyxx spells Onyx. Bold, modern, and warm.

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Origin LowGreek

MeaningA spelling of Onyx — from Greek onyx, 'a fingernail/claw', the name of the black banded gemstone

U.S. rank (2025)#5548 ↗ Rising

2025 U.S. births17 boys (0.00% of U.S. boys)

Peak year2023

Total births (all-time)≈ 119

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

Onyxx is a spelling of Onyx — from Greek onyx, 'a fingernail/claw', the name of the deep-black banded gemstone prized since antiquity. A bold, modern gem-name (said 'ON-iks').

In the U.S. it appears as a gem-name. Rare in this spelling, a-black-gemstone at the root, and bold.

Did you know? Onyx comes from Greek onyx, 'a fingernail/claw' — the name of the deep-black banded gemstone — Onyxx is a double-x spelling, a bold gem-name (said 'ON-iks').

Overall data confidence 44%

References — Onyx — gem-name

Variations

OnyxOnix

Nicknames

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If you like Onyxx…

Onyx— the standard spelling

Jasper— a fellow gem/stone boys' name

Jet— a companion black-gem boys' name

Slate— another stone word-name boys' name

Explore names like Onyxx

By themegreek word-name gem-name

By meaningRock / Stone

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Frequently Asked

What does the name Onyxx mean?

Onyxx spells Onyx — Greek 'a fingernail/claw', the name of the black gemstone; a gem-name.

How do you pronounce Onyxx?

It's said ON-iks /ˈɒn.ɪks/ — two syllables, stress on the first.

Is Onyxx a boy or girl name?

Onyxx is most often a boy's name.

How popular is Onyxx?

Onyxx is a very rare name in the U.S.