Keilan vs Theodore

Baby Name Comparison — 2026

Keilan

Boy #3,594 Most Popular 2 Syllables

Meaning

"slender, narrow"

Origin: Irish Gaelic

Cultural Roots

Irish Celtic Scottish

Quick Stats

Popularity Rank
#3,594
Total SSA Count
32
Syllables
2
Formality
Moderate
Nicknames
Kei, Kay

Playground Safety Score

All Clear

Popularity Comparison

Keilan Rank #3,594
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3594 for Keilan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Keilan ___

  • Keilan James
  • Keilan Patrick
  • Keilan Thomas
  • Keilan Michael
  • Keilan Ryan
  • Keilan Finn

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 Keilan

Niall Declan Fiona Aoife Connor

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 Keilan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Keilan at #3594 in the United States.

What do Keilan and Theodore mean?

Keilan means "slender, narrow" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Keilan and Theodore boy or girl names?

Keilan is primarily a boy name. Theodore is primarily a boy name.

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