Emma vs Kei

Baby Name Comparison — 2026

Emma

Girl #2 Most Popular 2 Syllables

Meaning

"strength"

Origin: Germanic

Cultural Roots

English German French

Quick Stats

Popularity Rank
#2
Total SSA Count
13,485
Syllables
2
Formality
Moderate
Nicknames
Em, Emmy

Playground Safety Score

✓ All Clear
Full profile for Emma →

Kei

Boy #4,606 Most Popular 1 Syllable

Meaning

"joy, jubilation"

Origin: Japanese kanji 慶

Cultural Roots

Japanese American Hawaiian

Quick Stats

Popularity Rank
#4,606
Total SSA Count
22
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Kei →

Popularity Comparison

Emma Rank #2
Kei Rank #4,606

Emma is more popular, ranked #2 vs #4606 for Kei.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Emma ___

  • Emma Rose
  • Emma Grace
  • Emma Jane
  • Emma Louise
  • Emma Kate
  • Emma Marie

Kei ___

  • Kei James
  • Kei Alexander
  • Kei William
  • Kei Michael
  • Kei Lee
  • Kei Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Emma

Olivia Charlotte Liam Henry Sophia

If you choose Kei

Kai Ren Hiro Mia Yuki

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 Emma or Kei more popular?

Emma is more popular, ranked #2 compared to Kei at #4606 in the United States.

What do Emma and Kei mean?

Emma means "strength" (Germanic origin). Kei means "joy, jubilation" (Japanese kanji 慶 origin).

Are Emma and Kei boy or girl names?

Emma is primarily a girl name. Kei is primarily a boy name.

More Comparisons

Kei vs Emma Emma vs Esther Emma vs Remi Emma vs Wrenley Emma vs Kylie
← Full profile: Emma ← Full profile: Kei Browse all baby names