Harold vs Kellen

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 →

Kellen

Boy #1,031 Most Popular 2 Syllables

Meaning

"slender, narrow"

Origin: Irish Gaelic 'caol'

Cultural Roots

Irish American German

Quick Stats

Popularity Rank
#1,031
Total SSA Count
216
Syllables
2
Formality
Moderate
Nicknames
Kell

Playground Safety Score

✓ All Clear
Full profile for Kellen →

Popularity Comparison

Harold Rank #991
Kellen Rank #1,031

Harold is more popular, ranked #991 vs #1031 for Kellen.

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

Kellen ___

  • Kellen James
  • Kellen Michael
  • Kellen Patrick
  • Kellen Thomas
  • Kellen Ryan
  • Kellen Dean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Harold

Dorothy Mildred Walter Bernard Margaret

If you choose Kellen

Declan Liam Nolan Cormac Aiden

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 Kellen more popular?

Harold is more popular, ranked #991 compared to Kellen at #1031 in the United States.

What do Harold and Kellen mean?

Harold means "army ruler, power of the army" (Old English origin). Kellen means "slender, narrow" (Irish Gaelic 'caol' origin).

Are Harold and Kellen boy or girl names?

Harold is primarily a boy name. Kellen is primarily a boy name.

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