Mia vs Sydney

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

Sydney

Girl #288 Most Popular 2 Syllables

Meaning

"wide island; broad river-island"

Origin: Old English

Cultural Roots

American English Australian

Quick Stats

Popularity Rank
#288
Total SSA Count
1,097
Syllables
2
Formality
Moderate
Nicknames
Syd, Sid

Playground Safety Score

All Clear

Popularity Comparison

Mia Rank #5
Sydney Rank #288

Mia is more popular, ranked #5 vs #288 for Sydney.

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

Sydney ___

  • Sydney Rae
  • Sydney Grace
  • Sydney Marie
  • Sydney Ann
  • Sydney Paige
  • Sydney Kate

Sibling Name Ideas

Names that pair well as siblings.

If you choose Mia

Liam Noah Sophia Olivia Ava

If you choose Sydney

Savannah Brooklyn Quinn Riley Parker

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 Sydney more popular?

Mia is more popular, ranked #5 compared to Sydney at #288 in the United States.

What do Mia and Sydney mean?

Mia means "mine, beloved" (Scandinavian origin). Sydney means "wide island; broad river-island" (Old English origin).

Are Mia and Sydney boy or girl names?

Mia is primarily a girl name. Sydney is primarily a girl name.

More Comparisons