Knox vs Theo

Baby Name Comparison — 2026

Knox

Boy #209 Most Popular 1 Syllable

"round hill"

Origin: Old English/Scottish

American Scottish English

✓ All Clear

Boy #80 Most Popular 2 Syllables

"gift of God"

Origin: Greek (theodoros)

English Greek French German American

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Knox Rank #209

Theo Rank #80

Theo is more popular, ranked #80 vs #209 for Knox.

Is Knox or Theo more popular?

Theo is more popular, ranked #80 compared to Knox at #209 in the United States.

What do Knox and Theo mean?

Knox means "round hill" (Old English/Scottish origin). Theo means "gift of God" (Greek (theodoros) origin).

Are Knox and Theo boy or girl names?

Knox is primarily a boy name. Theo is primarily a boy name.