Onyx vs Colter

Baby Name Comparison — 2026

Onyx

Boy #359 Most Popular 2 Syllables

"black gemstone"

Origin: Greek (onyx)

American

✓ All Clear

Boy #218 Most Popular 2 Syllables

"colt herder, horse keeper"

Origin: Middle English

American English

✓ All Clear

Onyx Rank #359

Colter Rank #218

Colter is more popular, ranked #218 vs #359 for Onyx.

Is Onyx or Colter more popular?

Colter is more popular, ranked #218 compared to Onyx at #359 in the United States.

What do Onyx and Colter mean?

Onyx means "black gemstone" (Greek (onyx) origin). Colter means "colt herder, horse keeper" (Middle English origin).

Are Onyx and Colter boy or girl names?

Onyx is primarily a boy name. Colter is primarily a boy name.