Cayman vs Onix

Baby Name Comparison — 2026

Cayman

Boy #5,417 Most Popular 2 Syllables

Meaning

"caiman, crocodilian reptile"

Origin: Carib/Arawak

Cultural Roots

American English Caribbean

Quick Stats

Popularity Rank
#5,417
Total SSA Count
18
Syllables
2
Formality
Casual
Nicknames
Cay, Kay

Playground Safety Score

✓ All Clear
Full profile for Cayman →

Onix

Boy #5,293 Most Popular 2 Syllables

Meaning

"black banded gemstone"

Origin: Greek

Cultural Roots

American Latin American Spanish

Quick Stats

Popularity Rank
#5,293
Total SSA Count
18
Syllables
2
Formality
Moderate
Nicknames
Oni

Playground Safety Score

✓ All Clear
Full profile for Onix →

Popularity Comparison

Cayman Rank #5,417
Onix Rank #5,293

Onix is more popular, ranked #5293 vs #5417 for Cayman.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cayman ___

  • Cayman James
  • Cayman Lee
  • Cayman River
  • Cayman Scott
  • Cayman Blake
  • Cayman Reid

Onix ___

  • Onix James
  • Onix Ray
  • Onix Kai
  • Onix Cruz
  • Onix Stone
  • Onix Lee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cayman

Brock Crew Gauge Zander Rylee

If you choose Onix

Jasper Slate Phoenix Jade Raven

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 Cayman or Onix more popular?

Onix is more popular, ranked #5293 compared to Cayman at #5417 in the United States.

What do Cayman and Onix mean?

Cayman means "caiman, crocodilian reptile" (Carib/Arawak origin). Onix means "black banded gemstone" (Greek origin).

Are Cayman and Onix boy or girl names?

Cayman is primarily a boy name. Onix is primarily a boy name.

More Comparisons

Onix vs Cayman Cayman vs Taige Cayman vs Jarren Cayman vs Bayler Cayman vs Stokely
← Full profile: Cayman ← Full profile: Onix Browse all baby names