Cass vs Kelan

Baby Name Comparison — 2026

Cass

Boy #5,414 Most Popular 1 Syllable

Meaning

"hollow, vain (from Latin Cassius)"

Origin: Latin

Cultural Roots

English American Greek

Quick Stats

Popularity Rank
#5,414
Total SSA Count
18
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Cass →

Popularity Comparison

Cass Rank #5,414
Kelan Rank #5,581

Cass is more popular, ranked #5414 vs #5581 for Kelan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cass ___

  • Cass River
  • Cass James
  • Cass Elliott
  • Cass Monroe
  • Cass Theodore
  • Cass August

Kelan ___

  • Kelan James
  • Kelan Patrick
  • Kelan Sean
  • Kelan Finn
  • Kelan Ryan
  • Kelan Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cass

Juno Wren Beau Quinn Milo

If you choose Kelan

Declan Finnian Ronan Siobhan Ciara

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 Cass or Kelan more popular?

Cass is more popular, ranked #5414 compared to Kelan at #5581 in the United States.

What do Cass and Kelan mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Kelan means "slender, narrow" (Irish Gaelic caol origin).

Are Cass and Kelan boy or girl names?

Cass is primarily a boy name. Kelan is primarily a boy name.

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← Full profile: Cass ← Full profile: Kelan Browse all baby names