Keenan vs Theodore

Baby Name Comparison — 2026

Keenan

Boy #1,218 Most Popular 2 Syllables

Meaning

"little ancient one"

Origin: Irish Gaelic

Cultural Roots

Irish American Scottish English

Quick Stats

Popularity Rank
#1,218
Total SSA Count
166
Syllables
2
Formality
Moderate
Nicknames
Keen, Kee

Playground Safety Score

✓ All Clear
Full profile for Keenan →

Theodore

Boy #4 Most Popular 3 Syllables

Meaning

"divine gift"

Origin: Greek

Cultural Roots

English French Greek

Quick Stats

Popularity Rank
#4
Total SSA Count
12,011
Syllables
3
Formality
Formal
Nicknames
Theo, Teddy, Ted

Playground Safety Score

✓ All Clear
Full profile for Theodore →

Popularity Comparison

Keenan Rank #1,218
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1218 for Keenan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Keenan ___

  • Keenan Patrick
  • Keenan James
  • Keenan Michael
  • Keenan Declan
  • Keenan Finn
  • Keenan Rory

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 Keenan

Niamh Declan Siobhan Liam Aoife

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 Keenan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Keenan at #1218 in the United States.

What do Keenan and Theodore mean?

Keenan means "little ancient one" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Keenan and Theodore boy or girl names?

Keenan is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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← Full profile: Keenan ← Full profile: Theodore Browse all baby names