Dillion vs Onix

Baby Name Comparison — 2026

Dillion

Boy #5,680 Most Popular 3 Syllables

Meaning

"faithful, loyal"

Origin: Old Irish Dallán

Cultural Roots

Irish Welsh American English

Quick Stats

Popularity Rank
#5,680
Total SSA Count
17
Syllables
3
Formality
Moderate
Nicknames
Dil, Dilly

Playground Safety Score

✓ All Clear
Full profile for Dillion →

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

Dillion Rank #5,680
Onix Rank #5,293

Onix is more popular, ranked #5293 vs #5680 for Dillion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dillion ___

  • Dillion James
  • Dillion Patrick
  • Dillion Michael
  • Dillion Thomas
  • Dillion Robert
  • Dillion Connor

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 Dillion

Finn Declan Connor Siobhan Maeve

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 Dillion or Onix more popular?

Onix is more popular, ranked #5293 compared to Dillion at #5680 in the United States.

What do Dillion and Onix mean?

Dillion means "faithful, loyal" (Old Irish Dallán origin). Onix means "black banded gemstone" (Greek origin).

Are Dillion and Onix boy or girl names?

Dillion is primarily a boy name. Onix is primarily a boy name.

More Comparisons

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← Full profile: Dillion ← Full profile: Onix Browse all baby names