Sia vs Theodore

Baby Name Comparison — 2026

Sia

Girl #1,269 Most Popular 2 Syllables

Meaning

"victory (short for Sigrid)"

Origin: Norse

Cultural Roots

Scandinavian Australian International

Quick Stats

Popularity Rank
#1,269
Total SSA Count
183
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Sia →

Popularity Comparison

Sia Rank #1,269
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1269 for Sia.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Sia ___

  • Sia Grace
  • Sia Rose
  • Sia Mae
  • Sia Luna
  • Sia Violet
  • Sia Claire

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Sia

Mia Gia Kai Noa Luca

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Sia or Theodore more popular?

Theodore is more popular, ranked #4 compared to Sia at #1269 in the United States.

What do Sia and Theodore mean?

Sia means "victory (short for Sigrid)" (Norse origin). Theodore means "divine gift" (Greek origin).

Are Sia and Theodore boy or girl names?

Sia is primarily a girl name. Theodore is primarily a boy name.

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← Full profile: Sia ← Full profile: Theodore Browse all baby names