Ontarius vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Ontarius Rank #22,084
Theodore Rank #4

Theodore is more popular, ranked #4 vs #22084 for Ontarius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ontarius ___

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 Ontarius

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 Ontarius or Theodore more popular?

Theodore is more popular, ranked #4 compared to Ontarius at #22084 in the United States.

What do Ontarius and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Ontarius and Theodore boy or girl names?

Ontarius is primarily a boy name. Theodore is primarily a boy name.

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