Oliver vs Rei

Baby Name Comparison — 2026

Rei

Boy #3,800 Most Popular 1 Syllable

Meaning

"courtesy, respect, gratitude"

Origin: Japanese kanji 礼

Cultural Roots

Japanese American Brazilian

Quick Stats

Popularity Rank
#3,800
Total SSA Count
29
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rei →

Popularity Comparison

Oliver Rank #3
Rei Rank #3,800

Oliver is more popular, ranked #3 vs #3800 for Rei.

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

Rei ___

  • Rei James
  • Rei Thomas
  • Rei Alexander
  • Rei Kenji
  • Rei Haruki
  • Rei Jun

Sibling Name Ideas

Names that pair well as siblings.

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

If you choose Rei

Kai Sora Haru Ryu Suki

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 Rei more popular?

Oliver is more popular, ranked #3 compared to Rei at #3800 in the United States.

What do Oliver and Rei mean?

Oliver means "olive tree" (Latin origin). Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin).

Are Oliver and Rei boy or girl names?

Oliver is primarily a boy name. Rei is primarily a boy name.

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