Kailo vs Theodore

Baby Name Comparison — 2026

Kailo

Boy #2,249 Most Popular 2 Syllables

Meaning

"sea, ocean"

Origin: Hawaiian

Cultural Roots

American Contemporary Hawaiian

Quick Stats

Popularity Rank
#2,249
Total SSA Count
64
Syllables
2
Formality
Moderate
Nicknames
Kai

Playground Safety Score

✓ All Clear
Full profile for Kailo →

Popularity Comparison

Kailo Rank #2,249
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2249 for Kailo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kailo ___

  • Kailo James
  • Kailo River
  • Kailo Blue
  • Kailo Finn
  • Kailo Reed
  • Kailo Ash

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kailo

Milo Zephyr Nova Sage Atlas

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Kailo or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kailo at #2249 in the United States.

What do Kailo and Theodore mean?

Kailo means "sea, ocean" (Hawaiian origin). Theodore means "divine gift" (Greek origin).

Are Kailo and Theodore boy or girl names?

Kailo is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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← Full profile: Kailo ← Full profile: Theodore Browse all baby names