Kailan vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Kailan Rank #2,875
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2875 for Kailan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kailan ___

  • Kailan James
  • Kailan Thomas
  • Kailan Lee
  • Kailan Cole
  • Kailan Ryan
  • Kailan Patrick

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 Kailan

Declan Ronan Liam Fiona Niamh

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Kailan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kailan at #2875 in the United States.

What do Kailan and Theodore mean?

Kailan means "little slender one" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kailan and Theodore boy or girl names?

Kailan is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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