Gillis vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Gillis Rank #19,946
Theodore Rank #4

Theodore is more popular, ranked #4 vs #19946 for Gillis.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Gillis ___

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 Gillis

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 Gillis or Theodore more popular?

Theodore is more popular, ranked #4 compared to Gillis at #19946 in the United States.

What do Gillis and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Gillis and Theodore boy or girl names?

Gillis is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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