Cailey vs Olivia

Baby Name Comparison — 2026

Cailey

Girl #5,410 Most Popular 2 Syllables

Meaning

"slender, graceful"

Origin: Old Irish

Cultural Roots

American Irish-American English

Quick Stats

Popularity Rank
#5,410
Total SSA Count
24
Syllables
2
Formality
Casual
Nicknames
Cai, Cai-Cai

Playground Safety Score

✓ All Clear
Full profile for Cailey →

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

Cailey Rank #5,410
Olivia Rank #1

Olivia is more popular, ranked #1 vs #5410 for Cailey.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cailey ___

  • Cailey Ann
  • Cailey Marie
  • Cailey Rose
  • Cailey Grace
  • Cailey Nicole
  • Cailey Renee

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 Cailey

Kaitlyn Brynn Hailey Connor Aidan

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 Cailey or Olivia more popular?

Olivia is more popular, ranked #1 compared to Cailey at #5410 in the United States.

What do Cailey and Olivia mean?

Cailey means "slender, graceful" (Old Irish origin). Olivia means "olive tree" (Latin origin).

Are Cailey and Olivia boy or girl names?

Cailey is primarily a girl name. Olivia is primarily a girl name.

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