Mia vs Sidni

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
Full profile for Mia →

Popularity Comparison

Mia Rank #5
Sidni Rank #65,353

Mia is more popular, ranked #5 vs #65353 for Sidni.

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

Sidni ___

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 Sidni

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 Sidni more popular?

Mia is more popular, ranked #5 compared to Sidni at #65353 in the United States.

What do Mia and Sidni mean?

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

Are Mia and Sidni boy or girl names?

Mia is primarily a girl name. Sidni is primarily a girl name.

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