Cylus 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

Cylus Rank #3,882
Rei Rank #3,800

Rei is more popular, ranked #3800 vs #3882 for Cylus.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cylus ___

  • Cylus James
  • Cylus Alexander
  • Cylus Reid
  • Cylus Thomas
  • Cylus Cole
  • Cylus Grant

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 Cylus

Silas Cyrus Atlas Juno Lyra

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 Cylus or Rei more popular?

Rei is more popular, ranked #3800 compared to Cylus at #3882 in the United States.

What do Cylus and Rei mean?

Cylus means "man of the forest" (Latin origin). Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin).

Are Cylus and Rei boy or girl names?

Cylus is primarily a boy name. Rei is primarily a boy name.

More Comparisons

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