Kayleen vs Olivia

Baby Name Comparison — 2026

Kayleen

Girl #2,563 Most Popular 2 Syllables

Meaning

"slender, fair, beloved one"

Origin: Irish American

Cultural Roots

American Irish American

Quick Stats

Popularity Rank
#2,563
Total SSA Count
69
Syllables
2
Formality
Moderate
Nicknames
Kay, Lee, Kayla

Playground Safety Score

✓ All Clear
Full profile for Kayleen →

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

Kayleen Rank #2,563
Olivia Rank #1

Olivia is more popular, ranked #1 vs #2563 for Kayleen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kayleen ___

  • Kayleen Marie
  • Kayleen Rose
  • Kayleen Anne
  • Kayleen Grace
  • Kayleen Nicole
  • Kayleen Elizabeth

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 Kayleen

Colleen Brianna Riley Connor Aiden

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 Kayleen or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kayleen at #2563 in the United States.

What do Kayleen and Olivia mean?

Kayleen means "slender, fair, beloved one" (Irish American origin). Olivia means "olive tree" (Latin origin).

Are Kayleen and Olivia boy or girl names?

Kayleen is primarily a girl name. Olivia is primarily a girl name.

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