Justice vs Onyx

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

Meaning

"black gemstone"

Origin: Greek (onyx)

Cultural Roots

American

Quick Stats

Popularity Rank
#359
Total SSA Count
927
Syllables
2
Formality
Casual
Nicknames
Ox, Oni

Playground Safety Score

✓ All Clear
Full profile for Onyx →

Popularity Comparison

Justice Rank #1,081
Onyx Rank #359

Onyx is more popular, ranked #359 vs #1081 for Justice.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Justice ___

  • Justice Lee
  • Justice James
  • Justice Cole
  • Justice Grey
  • Justice Reed
  • Justice Blue

Onyx ___

  • Onyx James
  • Onyx Cole
  • Onyx Reed
  • Onyx Sage
  • Onyx Atlas
  • Onyx Stone

Sibling Name Ideas

Names that pair well as siblings.

If you choose Justice

Liberty Honor True Valor Brave

If you choose Onyx

Jade Phoenix Flint Raven Zane

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Justice or Onyx more popular?

Onyx is more popular, ranked #359 compared to Justice at #1081 in the United States.

What do Justice and Onyx mean?

Justice means "just, righteous, equitable" (Latin origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Justice and Onyx boy or girl names?

Justice is primarily a boy name. Onyx is primarily a boy name.

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← Full profile: Justice ← Full profile: Onyx Browse all baby names