Astor vs Sydney

Baby Name Comparison — 2026

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
Full profile for Sydney →

Popularity Comparison

Astor Rank #4,077
Sydney Rank #288

Sydney is more popular, ranked #288 vs #4077 for Astor.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Astor ___

  • Astor James
  • Astor Lee
  • Astor Reid
  • Astor Cole
  • Astor Fox
  • Astor Grey

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 Astor

Dashiell Caspian Vesper Thea Phoebe

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 Astor or Sydney more popular?

Sydney is more popular, ranked #288 compared to Astor at #4077 in the United States.

What do Astor and Sydney mean?

Astor means "hawk" (Old French origin). Sydney means "wide island; broad river-island" (Old English origin).

Are Astor and Sydney boy or girl names?

Astor is primarily a boy name. Sydney is primarily a girl name.

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← Full profile: Astor ← Full profile: Sydney Browse all baby names