Olivia vs Rennie

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

Similar Names

Autumn Brianna Georgia Adaline

Full profile for Olivia →

Rennie

Boy #32,559 Most Popular

Quick Stats

Popularity Rank: #32,559
Total SSA Count: 5
Nicknames: Ren, Renn, Renny

Playground Safety Score

✓ All Clear

Similar Names

Ralf Knoxsyn Yoseth Paublo

Full profile for Rennie →

Popularity Comparison

Olivia Rank #1

Rennie Rank #32,559

Olivia is more popular, ranked #1 vs #32559 for Rennie.

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

Rennie ___

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 Rennie

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 Rennie more popular?

Olivia is more popular, ranked #1 compared to Rennie at #32559 in the United States.

What do Olivia and Rennie mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Rennie boy or girl names?

Olivia is primarily a girl name. Rennie is primarily a boy name.

More Comparisons

Rennie vs Olivia Olivia vs Autumn Olivia vs Brianna Olivia vs Georgia Olivia vs Adaline

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