Onyx vs Rhett

Baby Name Comparison — 2026

Popularity Comparison

Onyx Rank #359
Rhett Rank #174

Rhett is more popular, ranked #174 vs #359 for Onyx.

Frequently Asked Questions

Is Onyx or Rhett more popular?

Rhett is more popular, ranked #174 compared to Onyx at #359 in the United States.

What do Onyx and Rhett mean?

Onyx means "black gemstone" (Greek (onyx) origin). Rhett means "advice, counsel" (Welsh/Dutch origin).

Are Onyx and Rhett boy or girl names?

Onyx is primarily a boy name. Rhett is primarily a boy name.

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