Kallum vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Kallum Rank #1,809
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1809 for Kallum.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kallum ___

  • Kallum James
  • Kallum Ross
  • Kallum Iain
  • Kallum Alistair
  • Kallum Duncan
  • Kallum Fraser

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 Kallum

Finlay Fraser Isla Skye Rory

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 Kallum or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kallum at #1809 in the United States.

What do Kallum and Theodore mean?

Kallum means "dove" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Kallum and Theodore boy or girl names?

Kallum is primarily a boy name. Theodore is primarily a boy name.

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