Kellen vs Lux

Baby Name Comparison — 2026

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
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Lux

Boy #1,225 Most Popular 1 Syllable

Meaning

"light"

Origin: Latin

Cultural Roots

English European American

Quick Stats

Popularity Rank
#1,225
Total SSA Count
164
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Lux →

Popularity Comparison

Kellen Rank #1,031
Lux Rank #1,225

Kellen is more popular, ranked #1031 vs #1225 for Lux.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kellen ___

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

Lux ___

  • Lux James
  • Lux Oliver
  • Lux Finn
  • Lux Henry
  • Lux August
  • Lux Sebastian

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kellen

Declan Liam Nolan Cormac Aiden

If you choose Lux

Sol Rex Nova Orion Cleo

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 Kellen or Lux more popular?

Kellen is more popular, ranked #1031 compared to Lux at #1225 in the United States.

What do Kellen and Lux mean?

Kellen means "slender, narrow" (Irish Gaelic 'caol' origin). Lux means "light" (Latin origin).

Are Kellen and Lux boy or girl names?

Kellen is primarily a boy name. Lux is primarily a boy name.

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