Mia vs Theatus

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

Allison Paisley Brianna Valentina

Full profile for Mia →

Theatus

Girl #37,773 Most Popular

Quick Stats

Popularity Rank: #37,773
Total SSA Count: 6
Nicknames: The, Thea, Theay

Playground Safety Score

✓ All Clear

Similar Names

Wina Farrel Lueann Berth

Full profile for Theatus →

Popularity Comparison

Mia Rank #5

Theatus Rank #37,773

Mia is more popular, ranked #5 vs #37773 for Theatus.

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

Theatus ___

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 Theatus

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 Theatus more popular?

Mia is more popular, ranked #5 compared to Theatus at #37773 in the United States.

What do Mia and Theatus mean?

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

Are Mia and Theatus boy or girl names?

Mia is primarily a girl name. Theatus is primarily a girl name.

More Comparisons

Theatus vs Mia Mia vs Allison Mia vs Paisley Mia vs Brianna Mia vs Valentina

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