Kaisun vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Kaisun Rank #24,927
Theodore Rank #4

Theodore is more popular, ranked #4 vs #24927 for Kaisun.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaisun ___

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 Kaisun

No sibling data available yet.

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 Kaisun or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaisun at #24927 in the United States.

What do Kaisun and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Kaisun and Theodore boy or girl names?

Kaisun is primarily a boy name. Theodore is primarily a boy name.

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