Oliver vs Petrus

Baby Name Comparison — 2026

Oliver

Boy #3 Most Popular 3 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English French Scandinavian

Quick Stats

Popularity Rank: #3
Total SSA Count: 15,343
Syllables: 3
Formality: Moderate
Nicknames: Ollie, Oli

Playground Safety Score

✓ All Clear

Similar Names

William Zion River Hunter

Full profile for Oliver →

Petrus

Boy #33,737 Most Popular

Quick Stats

Popularity Rank: #33,737
Total SSA Count: 5
Nicknames: Pet, Petr, Petry

Playground Safety Score

✓ All Clear

Similar Names

Flossie Fable Abb Vidhur

Full profile for Petrus →

Popularity Comparison

Oliver Rank #3

Petrus Rank #33,737

Oliver is more popular, ranked #3 vs #33737 for Petrus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Oliver ___

Oliver James
Oliver Thomas
Oliver William
Oliver Henry
Oliver John
Oliver Benjamin

Petrus ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

If you choose Petrus

No sibling data available yet.

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 Oliver or Petrus more popular?

Oliver is more popular, ranked #3 compared to Petrus at #33737 in the United States.

What do Oliver and Petrus mean?

Oliver means "olive tree" (Latin origin).

Are Oliver and Petrus boy or girl names?

Oliver is primarily a boy name. Petrus is primarily a boy name.

More Comparisons

Petrus vs Oliver Oliver vs William Oliver vs Zion Oliver vs River Oliver vs Hunter

← Full profile: Oliver ← Full profile: Petrus Browse all baby names