Cailin vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Cailin Rank #8,160
Theodore Rank #4

Theodore is more popular, ranked #4 vs #8160 for Cailin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailin ___

No pairings available yet.

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 Cailin

No sibling data available yet.

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 Cailin or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cailin at #8160 in the United States.

What do Cailin and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Cailin and Theodore boy or girl names?

Cailin is primarily a girl name. Theodore is primarily a boy name.

More Comparisons

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