Harold vs Kaleo

Baby Name Comparison — 2026

Harold

Boy #991 Most Popular 2 Syllables

Meaning

"army ruler, power of the army"

Origin: Old English

Cultural Roots

English Scandinavian American

Quick Stats

Popularity Rank
#991
Total SSA Count
227
Syllables
2
Formality
Formal
Nicknames
Harry, Hal

Playground Safety Score

✓ All Clear
Full profile for Harold →

Kaleo

Boy #1,103 Most Popular 3 Syllables

Meaning

"the sound"

Origin: Hawaiian

Cultural Roots

Hawaiian Polynesian American

Quick Stats

Popularity Rank
#1,103
Total SSA Count
194
Syllables
3
Formality
Moderate
Nicknames
Kai, Leo, Kale

Playground Safety Score

✓ All Clear
Full profile for Kaleo →

Popularity Comparison

Harold Rank #991
Kaleo Rank #1,103

Harold is more popular, ranked #991 vs #1103 for Kaleo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Harold ___

  • Harold James
  • Harold Edward
  • Harold Thomas
  • Harold Francis
  • Harold David
  • Harold William

Kaleo ___

  • Kaleo James
  • Kaleo Noa
  • Kaleo Kai
  • Kaleo Reef
  • Kaleo River
  • Kaleo Blue

Sibling Name Ideas

Names that pair well as siblings.

If you choose Harold

Dorothy Mildred Walter Bernard Margaret

If you choose Kaleo

Leilani Koa Makoa Nani Kai

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 Harold or Kaleo more popular?

Harold is more popular, ranked #991 compared to Kaleo at #1103 in the United States.

What do Harold and Kaleo mean?

Harold means "army ruler, power of the army" (Old English origin). Kaleo means "the sound" (Hawaiian origin).

Are Harold and Kaleo boy or girl names?

Harold is primarily a boy name. Kaleo is primarily a boy name.

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← Full profile: Harold ← Full profile: Kaleo Browse all baby names