Klein vs Theodorus

Baby Name Comparison — 2026

Klein

Boy #6,327 Most Popular 1 Syllable

Meaning

"small, little"

Origin: German

Cultural Roots

German Dutch Jewish

Quick Stats

Popularity Rank
#6,327
Total SSA Count
14
Syllables
1
Formality
Moderate
Nicknames
Kle, Kly, Klie

Playground Safety Score

✓ All Clear
Full profile for Klein →

Popularity Comparison

Klein Rank #6,327
Theodorus Rank #6,307

Theodorus is more popular, ranked #6307 vs #6327 for Klein.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Klein ___

  • Klein James
  • Klein Edward
  • Klein William
  • Klein Alexander
  • Klein Henry
  • Klein Frederick

Theodorus ___

  • Theodorus James
  • Theodorus William
  • Theodorus Charles
  • Theodorus Finn
  • Theodorus Miles
  • Theodorus August

Sibling Name Ideas

Names that pair well as siblings.

If you choose Klein

Greer Sloane Bauer Wren Ellis

If you choose Theodorus

Cornelius Maximilian Archibald Seraphina Valentina

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Klein or Theodorus more popular?

Theodorus is more popular, ranked #6307 compared to Klein at #6327 in the United States.

What do Klein and Theodorus mean?

Klein means "small, little" (German origin). Theodorus means "gift of God" (Ancient Greek origin).

Are Klein and Theodorus boy or girl names?

Klein is primarily a boy name. Theodorus is primarily a boy name.

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← Full profile: Klein ← Full profile: Theodorus Browse all baby names