Amelia vs Kai

Baby Name Comparison — 2026

Amelia

Girl #3 Most Popular 4 Syllables

Meaning

"work, industriousness"

Origin: Germanic

Cultural Roots

English German Spanish

Quick Stats

Popularity Rank
#3
Total SSA Count
12,740
Syllables
4
Formality
Formal
Nicknames
Amy, Millie, Mel

Playground Safety Score

✓ All Clear
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Kai

Boy #76 Most Popular 1 Syllable

Meaning

"sea"

Origin: Hawaiian

Cultural Roots

Hawaiian Scandinavian Japanese American Chinese

Quick Stats

Popularity Rank
#76
Total SSA Count
4,276
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Kai →

Popularity Comparison

Amelia Rank #3
Kai Rank #76

Amelia is more popular, ranked #3 vs #76 for Kai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Amelia ___

  • Amelia Rose
  • Amelia Grace
  • Amelia Jane
  • Amelia Kate
  • Amelia Anne
  • Amelia Louise

Kai ___

  • Kai James
  • Kai Alexander
  • Kai Michael
  • Kai Robert
  • Kai William
  • Kai Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Amelia

Oliver Henry Theodore Charlotte Sophia

If you choose Kai

Zara Nova Mila Leo Finn

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 Amelia or Kai more popular?

Amelia is more popular, ranked #3 compared to Kai at #76 in the United States.

What do Amelia and Kai mean?

Amelia means "work, industriousness" (Germanic origin). Kai means "sea" (Hawaiian origin).

Are Amelia and Kai boy or girl names?

Amelia is primarily a girl name. Kai is primarily a boy name.

More Comparisons

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← Full profile: Amelia ← Full profile: Kai Browse all baby names