Olivia vs Sister

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

Olivia Rank #1
Sister Rank #71,370

Olivia is more popular, ranked #1 vs #71370 for Sister.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sister ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Sister

No sibling data available yet.

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 Olivia or Sister more popular?

Olivia is more popular, ranked #1 compared to Sister at #71370 in the United States.

What do Olivia and Sister mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Sister boy or girl names?

Olivia is primarily a girl name. Sister is primarily a girl name.

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