Kaia vs Thea

Baby Name Comparison — 2026

Kaia

Girl #180 Most Popular 2 Syllables

Meaning

"earth"

Origin: Greek

Cultural Roots

Greek Scandinavian Hawaiian American

Quick Stats

Popularity Rank
#180
Total SSA Count
1,675
Syllables
2
Formality
Moderate
Nicknames
Kay, Kai

Playground Safety Score

✓ All Clear
Full profile for Kaia →

Thea

Girl #348 Most Popular 2 Syllables

Meaning

"goddess, divine"

Origin: Greek

Cultural Roots

Greek Scandinavian English German

Quick Stats

Popularity Rank
#348
Total SSA Count
893
Syllables
2
Formality
Moderate
Nicknames
Thee

Playground Safety Score

✓ All Clear
Full profile for Thea →

Popularity Comparison

Kaia Rank #180
Thea Rank #348

Kaia is more popular, ranked #180 vs #348 for Thea.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaia ___

  • Kaia Rose
  • Kaia Jane
  • Kaia Marie
  • Kaia Grace
  • Kaia Lee
  • Kaia Simone

Thea ___

  • Thea Rose
  • Thea Marie
  • Thea Jane
  • Thea Claire
  • Thea Mae
  • Thea Grace

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kaia

Zara Lena Milo Leo Isla

If you choose Thea

Archer Liam Callum Iris Cora

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 Kaia or Thea more popular?

Kaia is more popular, ranked #180 compared to Thea at #348 in the United States.

What do Kaia and Thea mean?

Kaia means "earth" (Greek origin). Thea means "goddess, divine" (Greek origin).

Are Kaia and Thea boy or girl names?

Kaia is primarily a girl name. Thea is primarily a girl name.

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← Full profile: Kaia ← Full profile: Thea Browse all baby names