Kaylii vs Olivia

Baby Name Comparison — 2026

Kaylii

Girl #18,457 Most Popular

Quick Stats

Popularity Rank: #18,457
Total SSA Count: 7
Nicknames: Kay, Kayl, Kayly

Playground Safety Score

✓ All Clear

Similar Names

Anariah Aalea Jurie Crawford

Full profile for Kaylii →

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

Similar Names

Maya Kennedy Summer Lainey

Full profile for Olivia →

Popularity Comparison

Kaylii Rank #18,457

Olivia Rank #1

Olivia is more popular, ranked #1 vs #18457 for Kaylii.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaylii ___

No pairings available yet.

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 Kaylii

No sibling data available yet.

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 Kaylii or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kaylii at #18457 in the United States.

What do Kaylii and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Kaylii and Olivia boy or girl names?

Kaylii is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

Olivia vs Kaylii Kaylii vs Anariah Kaylii vs Aalea Kaylii vs Jurie Kaylii vs Crawford

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