Kass vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Kass Rank #40,657
Theodore Rank #4

Theodore is more popular, ranked #4 vs #40657 for Kass.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kass ___

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 Kass

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 Kass or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kass at #40657 in the United States.

What do Kass and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Kass and Theodore boy or girl names?

Kass is primarily a boy name. Theodore is primarily a boy name.

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