Kingdom 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

Kingdom Rank #3,853
Rei Rank #3,800

Rei is more popular, ranked #3800 vs #3853 for Kingdom.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kingdom ___

  • Kingdom David
  • Kingdom James
  • Kingdom Emmanuel
  • Kingdom Alexander
  • Kingdom Isaiah
  • Kingdom Michael

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 Kingdom

Royal Reign Legacy Zion Jericho

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 Kingdom or Rei more popular?

Rei is more popular, ranked #3800 compared to Kingdom at #3853 in the United States.

What do Kingdom and Rei mean?

Kingdom means "realm, dominion" (Old English origin). Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin).

Are Kingdom and Rei boy or girl names?

Kingdom is primarily a boy name. Rei is primarily a boy name.

More Comparisons

Rei vs Kingdom Kingdom vs Willow Kingdom vs Izekiel Kingdom vs Antonino Kingdom vs Valerio
← Full profile: Kingdom ← Full profile: Rei Browse all baby names