Kaileen vs Olivia

Baby Name Comparison — 2026

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

Kaileen Rank #5,130
Olivia Rank #1

Olivia is more popular, ranked #1 vs #5130 for Kaileen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaileen ___

  • Kaileen Rose
  • Kaileen Marie
  • Kaileen Ann
  • Kaileen Grace
  • Kaileen Bridget
  • Kaileen Fiona

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 Kaileen

Siobhan Aoife Cormac Declan Maeve

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 Kaileen or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kaileen at #5130 in the United States.

What do Kaileen and Olivia mean?

Kaileen means "slender, fair" (Irish Gaelic origin). Olivia means "olive tree" (Latin origin).

Are Kaileen and Olivia boy or girl names?

Kaileen is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

Olivia vs Kaileen Kaileen vs Chance Kaileen vs Anastazia Kaileen vs Kalei Kaileen vs Beulah
← Full profile: Kaileen ← Full profile: Olivia Browse all baby names