Ontario vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Ontario Rank #13,016
Theodore Rank #4

Theodore is more popular, ranked #4 vs #13016 for Ontario.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ontario ___

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 Ontario

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 Ontario or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ontario at #13016 in the United States.

What do Ontario and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Ontario and Theodore boy or girl names?

Ontario is primarily a boy name. Theodore is primarily a boy name.

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