Petros vs Thaddaeus

Baby Name Comparison — 2026

Petros

Boy #5,890 Most Popular 2 Syllables

Meaning

"rock, stone"

Origin: Greek

Cultural Roots

Greek Cypriot Eastern Orthodox Armenian

Quick Stats

Popularity Rank
#5,890
Total SSA Count
16
Syllables
2
Formality
Formal
Nicknames
Pete, Petro

Playground Safety Score

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Thaddaeus

Boy #5,721 Most Popular 3 Syllables

Meaning

"heart, courageous heart"

Origin: Aramaic

Cultural Roots

Christian English Greek Latin

Quick Stats

Popularity Rank
#5,721
Total SSA Count
16
Syllables
3
Formality
Formal
Nicknames
Thad, Tad, Taddy

Playground Safety Score

✓ All Clear
Full profile for Thaddaeus →

Popularity Comparison

Petros Rank #5,890
Thaddaeus Rank #5,721

Thaddaeus is more popular, ranked #5721 vs #5890 for Petros.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Petros ___

  • Petros Alexandros
  • Petros Dimitris
  • Petros Nikos
  • Petros Emmanuel
  • Petros Andreas
  • Petros Vasilis

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 Petros

Nikos Alexandros Eleni Maria Dimitris

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 Petros or Thaddaeus more popular?

Thaddaeus is more popular, ranked #5721 compared to Petros at #5890 in the United States.

What do Petros and Thaddaeus mean?

Petros means "rock, stone" (Greek origin). Thaddaeus means "heart, courageous heart" (Aramaic origin).

Are Petros and Thaddaeus boy or girl names?

Petros is primarily a boy name. Thaddaeus is primarily a boy name.

More Comparisons

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