Kellsi 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

Kellsi Rank #55,408
Olivia Rank #1

Olivia is more popular, ranked #1 vs #55408 for Kellsi.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kellsi ___

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 Kellsi

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 Kellsi or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kellsi at #55408 in the United States.

What do Kellsi and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Kellsi and Olivia boy or girl names?

Kellsi is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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