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Casey vs Onyx

Baby Name Comparison — 2026

Popularity Comparison

Casey Rank #310
Onyx Rank #359

Casey is more popular, ranked #310 vs #359 for Onyx.

Frequently Asked Questions

Is Casey or Onyx more popular?

Casey is more popular, ranked #310 compared to Onyx at #359 in the United States.

What do Casey and Onyx mean?

Onyx means "black gemstone" (Greek (onyx) origin).

Are Casey and Onyx boy or girl names?

Casey is primarily a boy name. Onyx is primarily a boy name.

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