Cosmo vs Kairos

Baby Name Comparison — 2026

Cosmo

Boy #1,691 Most Popular 2 Syllables

Meaning

"order, universe"

Origin: Greek

Cultural Roots

Italian Greek English American

Quick Stats

Popularity Rank
#1,691
Total SSA Count
99
Syllables
2
Formality
Casual
Nicknames
Cos

Playground Safety Score

✓ All Clear
Full profile for Cosmo →

Kairos

Boy #1,632 Most Popular 2 Syllables

Meaning

"the opportune or right moment"

Origin: Ancient Greek

Cultural Roots

Greek American Christian

Quick Stats

Popularity Rank
#1,632
Total SSA Count
104
Syllables
2
Formality
Moderate
Nicknames
Kai, Kye

Playground Safety Score

✓ All Clear
Full profile for Kairos →

Popularity Comparison

Cosmo Rank #1,691
Kairos Rank #1,632

Kairos is more popular, ranked #1632 vs #1691 for Cosmo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cosmo ___

  • Cosmo James
  • Cosmo Ray
  • Cosmo Lee
  • Cosmo Blue
  • Cosmo Fox

Kairos ___

  • Kairos James
  • Kairos Elias
  • Kairos Roman
  • Kairos Leo
  • Kairos Orion
  • Kairos Thane

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cosmo

Cosima Orion Luna Stellan Felix

If you choose Kairos

Atlas Lyra Zephyr Orion Phaedra

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 Cosmo or Kairos more popular?

Kairos is more popular, ranked #1632 compared to Cosmo at #1691 in the United States.

What do Cosmo and Kairos mean?

Cosmo means "order, universe" (Greek origin). Kairos means "the opportune or right moment" (Ancient Greek origin).

Are Cosmo and Kairos boy or girl names?

Cosmo is primarily a boy name. Kairos is primarily a boy name.

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← Full profile: Cosmo ← Full profile: Kairos Browse all baby names