Coa vs Petra

Baby Name Comparison — 2026

Coa

Boy #32,821 Most Popular 2 Syllables

Meaning

"serpent, twin (from coatl)"

Origin: Nahuatl

Cultural Roots

Nahuatl Mexican Spanish

Quick Stats

Popularity Rank
#32,821
Total SSA Count
5
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Coa →

Petra

Girl #1,484 Most Popular 2 Syllables

Meaning

"rock, stone"

Origin: Greek

Cultural Roots

German Czech Scandinavian Dutch Eastern European Spanish

Quick Stats

Popularity Rank
#1,484
Total SSA Count
147
Syllables
2
Formality
Formal
Nicknames
Pet, Petie

Playground Safety Score

✓ All Clear
Full profile for Petra →

Popularity Comparison

Coa Rank #32,821
Petra Rank #1,484

Petra is more popular, ranked #1484 vs #32821 for Coa.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Coa ___

  • Coa River
  • Coa James
  • Coa Blue
  • Coa Stone
  • Coa Wolf
  • Coa Ray

Petra ___

  • Petra Anne
  • Petra Louise
  • Petra Maria
  • Petra Elena
  • Petra Claire
  • Petra Grace

Sibling Name Ideas

Names that pair well as siblings.

If you choose Coa

Koa Zavi Luca Remy Theron

If you choose Petra

Klaus Helena Markus Liesel Tomas

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Coa or Petra more popular?

Petra is more popular, ranked #1484 compared to Coa at #32821 in the United States.

What do Coa and Petra mean?

Coa means "serpent, twin (from coatl)" (Nahuatl origin). Petra means "rock, stone" (Greek origin).

Are Coa and Petra boy or girl names?

Coa is primarily a boy name. Petra is primarily a girl name.

More Comparisons

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← Full profile: Coa ← Full profile: Petra Browse all baby names