Mia vs Onyx

Baby Name Comparison — 2026

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank
#5
Total SSA Count
12,113
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Mia →

Popularity Comparison

Mia Rank #5
Onyx Rank #359

Mia is more popular, ranked #5 vs #359 for Onyx.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Mia ___

  • Mia Rose
  • Mia Grace
  • Mia Jane
  • Mia Claire
  • Mia Elizabeth
  • Mia Louise

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 Mia

Liam Noah Sophia Olivia Ava

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 Mia or Onyx more popular?

Mia is more popular, ranked #5 compared to Onyx at #359 in the United States.

What do Mia and Onyx mean?

Mia means "mine, beloved" (Scandinavian origin). Onyx means "black gemstone" (Greek (onyx) origin).

Are Mia and Onyx boy or girl names?

Mia is primarily a girl name. Onyx is primarily a boy name.

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