Kailani vs Olivia

Baby Name Comparison — 2026

Kailani

Girl #275 Most Popular 4 Syllables

Meaning

"heavenly sea, royal waters"

Origin: Hawaiian

Cultural Roots

Hawaiian American Pacific Islander

Quick Stats

Popularity Rank
#275
Total SSA Count
1,141
Syllables
4
Formality
Moderate
Nicknames
Kai, Lani

Playground Safety Score

✓ All Clear
Full profile for Kailani →

Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank
#1
Total SSA Count
14,718
Syllables
4
Formality
Moderate
Nicknames
Liv, Livvy, Oli

Playground Safety Score

✓ All Clear
Full profile for Olivia →

Popularity Comparison

Kailani Rank #275
Olivia Rank #1

Olivia is more popular, ranked #1 vs #275 for Kailani.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kailani ___

  • Kailani Rose
  • Kailani Marie
  • Kailani Grace
  • Kailani Jade
  • Kailani Pearl
  • Kailani Maile

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kailani

Keahi Leilani Maui Kaleo Nalu

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Kailani or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kailani at #275 in the United States.

What do Kailani and Olivia mean?

Kailani means "heavenly sea, royal waters" (Hawaiian origin). Olivia means "olive tree" (Latin origin).

Are Kailani and Olivia boy or girl names?

Kailani is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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← Full profile: Kailani ← Full profile: Olivia Browse all baby names