Cass vs Kean

Baby Name Comparison — 2026

Kean

Boy #5,607 Most Popular 1 Syllable

Meaning

"ancient, enduring"

Origin: Old Irish cian

Cultural Roots

Irish English

Quick Stats

Popularity Rank
#5,607
Total SSA Count
17
Syllables
1
Formality
Moderate
Nicknames
Kean

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Kean' rhymes with 'mean'"}

Full profile for Kean →

Popularity Comparison

Cass Rank #5,414
Kean Rank #5,607

Cass is more popular, ranked #5414 vs #5607 for Kean.

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

Kean ___

  • Kean Patrick
  • Kean James
  • Kean Michael
  • Kean Thomas
  • Kean Oliver

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cass

Juno Wren Beau Quinn Milo

If you choose Kean

Cian Roisin Brigid Finn Saoirse

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 Kean more popular?

Cass is more popular, ranked #5414 compared to Kean at #5607 in the United States.

What do Cass and Kean mean?

Cass means "hollow, vain (from Latin Cassius)" (Latin origin). Kean means "ancient, enduring" (Old Irish cian origin).

Are Cass and Kean boy or girl names?

Cass is primarily a boy name. Kean is primarily a boy name.

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