Ithan 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

Popularity Comparison

Ithan Rank #3,663
Rei Rank #3,800

Ithan is more popular, ranked #3663 vs #3800 for Rei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ithan ___

  • Ithan James
  • Ithan Michael
  • Ithan Alexander
  • Ithan Cole
  • Ithan David
  • Ithan Thomas

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 Ithan

Elijah Caleb Noah Abigail Hannah

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 Ithan or Rei more popular?

Ithan is more popular, ranked #3663 compared to Rei at #3800 in the United States.

What do Ithan and Rei mean?

Ithan means "long-lived, permanent" (Hebrew origin). Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin).

Are Ithan and Rei boy or girl names?

Ithan is primarily a boy name. Rei is primarily a boy name.

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