Rei vs Theon

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

Rei Rank #3,800
Theon Rank #3,757

Theon is more popular, ranked #3757 vs #3800 for Rei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Rei ___

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

Theon ___

  • Theon James
  • Theon Alexander
  • Theon Marcus
  • Theon William
  • Theon Grey
  • Theon Edward

Sibling Name Ideas

Names that pair well as siblings.

If you choose Rei

Kai Sora Haru Ryu Suki

If you choose Theon

Theodore Cassius Helena Seraphina Orion

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 Rei or Theon more popular?

Theon is more popular, ranked #3757 compared to Rei at #3800 in the United States.

What do Rei and Theon mean?

Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin). Theon means "godly, divine" (Greek origin).

Are Rei and Theon boy or girl names?

Rei is primarily a boy name. Theon is primarily a boy name.

More Comparisons

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