Mia vs Thalassa

Baby Name Comparison — 2026

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank: #5
Total SSA Count: 12,113
Syllables: 2
Formality: Casual

Playground Safety Score

✓ All Clear

Similar Names

Samantha Valentina Amira Phoebe

Full profile for Mia →

Thalassa

Girl #34,004 Most Popular

Quick Stats

Popularity Rank: #34,004
Total SSA Count: 6
Nicknames: Tha, Thal, Thaly

Playground Safety Score

✓ All Clear

Similar Names

Keyanta Federica Lynika

Full profile for Thalassa →

Popularity Comparison

Mia Rank #5

Thalassa Rank #34,004

Mia is more popular, ranked #5 vs #34004 for Thalassa.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Mia ___

Mia Rose
Mia Grace
Mia Jane
Mia Claire
Mia Elizabeth
Mia Louise

Thalassa ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Mia

Liam Noah Sophia Olivia Ava

If you choose Thalassa

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 Mia or Thalassa more popular?

Mia is more popular, ranked #5 compared to Thalassa at #34004 in the United States.

What do Mia and Thalassa mean?

Mia means "mine, beloved" (Scandinavian origin).

Are Mia and Thalassa boy or girl names?

Mia is primarily a girl name. Thalassa is primarily a girl name.

More Comparisons

Thalassa vs Mia Mia vs Samantha Mia vs Valentina Mia vs Amira Mia vs Phoebe

← Full profile: Mia ← Full profile: Thalassa Browse all baby names