Crux vs Onas

Baby Name Comparison — 2026

Popularity Comparison

Crux Rank #33,344
Onas Rank #33,207

Onas is more popular, ranked #33207 vs #33344 for Crux.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Crux ___

  • Crux James
  • Crux Oliver
  • Crux Alexander
  • Crux Thomas
  • Crux William

Onas ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Crux

Blaze Knox Zara Revel

If you choose Onas

No sibling data available yet.

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 Crux or Onas more popular?

Onas is more popular, ranked #33207 compared to Crux at #33344 in the United States.

What do Crux and Onas mean?

Crux means "cross" (Latin crux origin).

Are Crux and Onas boy or girl names?

Crux is primarily a boy name. Onas is primarily a boy name.

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← Full profile: Crux ← Full profile: Onas Browse all baby names