Kelvin vs Lux

Baby Name Comparison — 2026

Kelvin

Boy #1,084 Most Popular 2 Syllables

Meaning

"from the River Kelvin, narrow river"

Origin: Brythonic Celtic

Cultural Roots

Scottish English British

Quick Stats

Popularity Rank
#1,084
Total SSA Count
201
Syllables
2
Formality
Moderate
Nicknames
Kel, Kelv

Playground Safety Score

✓ All Clear
Full profile for Kelvin →

Popularity Comparison

Kelvin Rank #1,084
Lux Rank #1,225

Kelvin is more popular, ranked #1084 vs #1225 for Lux.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kelvin ___

  • Kelvin James
  • Kelvin Lee
  • Kelvin Grey
  • Kelvin John
  • Kelvin Paul
  • Kelvin 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 Kelvin

Melvin Kevin Calvin Alvin Gavin

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 Kelvin or Lux more popular?

Kelvin is more popular, ranked #1084 compared to Lux at #1225 in the United States.

What do Kelvin and Lux mean?

Kelvin means "from the River Kelvin, narrow river" (Brythonic Celtic origin). Lux means "light" (Latin origin).

Are Kelvin and Lux boy or girl names?

Kelvin is primarily a boy name. Lux is primarily a boy name.

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