Kean vs Theodore

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'"}

Popularity Comparison

Kean Rank #5,607
Theodore Rank #4

Theodore is more popular, ranked #4 vs #5607 for Kean.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kean ___

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

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kean

Cian Roisin Brigid Finn Saoirse

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Kean or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kean at #5607 in the United States.

What do Kean and Theodore mean?

Kean means "ancient, enduring" (Old Irish cian origin). Theodore means "divine gift" (Greek origin).

Are Kean and Theodore boy or girl names?

Kean is primarily a boy name. Theodore is primarily a boy name.

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