Kastyn vs Theodore

Baby Name Comparison — 2026

Kastyn

Boy #18,277 Most Popular

Quick Stats

Popularity Rank: #18,277
Total SSA Count: 6
Nicknames: Kas, Kast, Kasty

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Similar Names

Alshon Frosty Yad Aureus

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Theodore

Boy #4 Most Popular 3 Syllables

Meaning

"divine gift"

Origin: Greek

Cultural Roots

English French Greek

Quick Stats

Popularity Rank: #4
Total SSA Count: 12,011
Syllables: 3
Formality: Formal
Nicknames: Theo, Teddy, Ted

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Similar Names

Finn Tyler Miles Isaiah

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Popularity Comparison

Kastyn Rank #18,277

Theodore Rank #4

Theodore is more popular, ranked #4 vs #18277 for Kastyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kastyn ___

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 Kastyn

No sibling data available yet.

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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Frequently Asked Questions

Is Kastyn or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kastyn at #18277 in the United States.

What do Kastyn and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Kastyn and Theodore boy or girl names?

Kastyn is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Kastyn Kastyn vs Alshon Kastyn vs Frosty Kastyn vs Yad Kastyn vs Aureus

← Full profile: Kastyn ← Full profile: Theodore Browse all baby names