Kosta vs Thaddaeus

Baby Name Comparison — 2026

Kosta

Boy #5,916 Most Popular 2 Syllables

Meaning

"constant, steadfast"

Origin: Latin

Cultural Roots

Greek Bulgarian Serbian Macedonian Russian

Quick Stats

Popularity Rank
#5,916
Total SSA Count
16
Syllables
2
Formality
Moderate
Nicknames
Kos

Playground Safety Score

✓ All Clear
Full profile for Kosta →

Popularity Comparison

Kosta Rank #5,916
Thaddaeus Rank #5,721

Thaddaeus is more popular, ranked #5721 vs #5916 for Kosta.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kosta ___

  • Kosta Alexander
  • Kosta Dmitri
  • Kosta Ivan
  • Kosta Lev
  • Kosta Mihai
  • Kosta Stefan

Thaddaeus ___

  • Thaddaeus James
  • Thaddaeus William
  • Thaddaeus John
  • Thaddaeus Michael
  • Thaddaeus Joseph
  • Thaddaeus Henry

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kosta

Niko Dmitri Petra Sonya Mila

If you choose Thaddaeus

Barnabas Cornelius Sebastian Bartholomew Philippa

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Kosta or Thaddaeus more popular?

Thaddaeus is more popular, ranked #5721 compared to Kosta at #5916 in the United States.

What do Kosta and Thaddaeus mean?

Kosta means "constant, steadfast" (Latin origin). Thaddaeus means "heart, courageous heart" (Aramaic origin).

Are Kosta and Thaddaeus boy or girl names?

Kosta is primarily a boy name. Thaddaeus is primarily a boy name.

More Comparisons

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← Full profile: Kosta ← Full profile: Thaddaeus Browse all baby names