Olivia vs Thomasa

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

Hailey Lia Vivian Cecilia

Full profile for Olivia →

Thomasa

Girl #67,808 Most Popular

Quick Stats

Popularity Rank: #67,808
Total SSA Count: 5
Nicknames: Tho, Thom, Thomy

Playground Safety Score

✓ All Clear

Similar Names

Conrad Sarabel Evetta

Full profile for Thomasa →

Popularity Comparison

Olivia Rank #1

Thomasa Rank #67,808

Olivia is more popular, ranked #1 vs #67808 for Thomasa.

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

Thomasa ___

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 Thomasa

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 Thomasa more popular?

Olivia is more popular, ranked #1 compared to Thomasa at #67808 in the United States.

What do Olivia and Thomasa mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Thomasa boy or girl names?

Olivia is primarily a girl name. Thomasa is primarily a girl name.

More Comparisons

Thomasa vs Olivia Olivia vs Hailey Olivia vs Lia Olivia vs Vivian Olivia vs Cecilia

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