Illian vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Illian Rank #9,316
Theodore Rank #4

Theodore is more popular, ranked #4 vs #9316 for Illian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Illian ___

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 Illian

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 Illian or Theodore more popular?

Theodore is more popular, ranked #4 compared to Illian at #9316 in the United States.

What do Illian and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Illian and Theodore boy or girl names?

Illian is primarily a boy name. Theodore is primarily a boy name.

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