Kean vs Thaddaeus

Baby Name Comparison — 2026

Kean

Boy #5,607 Most Popular 1 Syllable

"ancient, enduring"

Origin: Old Irish cian

Irish English

15 High Risk

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

Boy #5,721 Most Popular 3 Syllables

"heart, courageous heart"

Origin: Aramaic

Christian English Greek Latin

✓ All Clear

Kean Rank #5,607

Thaddaeus Rank #5,721

Kean is more popular, ranked #5607 vs #5721 for Thaddaeus.

Is Kean or Thaddaeus more popular?

Kean is more popular, ranked #5607 compared to Thaddaeus at #5721 in the United States.

What do Kean and Thaddaeus mean?

Kean means "ancient, enduring" (Old Irish cian origin). Thaddaeus means "heart, courageous heart" (Aramaic origin).

Are Kean and Thaddaeus boy or girl names?

Kean is primarily a boy name. Thaddaeus is primarily a boy name.