Jillan 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

Jillan Rank #46,153
Olivia Rank #1

Olivia is more popular, ranked #1 vs #46153 for Jillan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jillan ___

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 Jillan

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 Jillan or Olivia more popular?

Olivia is more popular, ranked #1 compared to Jillan at #46153 in the United States.

What do Jillan and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Jillan and Olivia boy or girl names?

Jillan is primarily a girl name. Olivia is primarily a girl name.

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