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Sydney vs Cynthia

Baby Name Comparison — 2026

Popularity Comparison

Sydney Rank #288
Cynthia Rank #827

Sydney is more popular, ranked #288 vs #827 for Cynthia.

Frequently Asked Questions

Is Sydney or Cynthia more popular?

Sydney is more popular, ranked #288 compared to Cynthia at #827 in the United States.

What do Sydney and Cynthia mean?

Sydney means "wide island; broad river-island" (Old English origin). Cynthia means "woman from Mount Cynthus" (Greek origin).

Are Sydney and Cynthia boy or girl names?

Sydney is primarily a girl name. Cynthia is primarily a girl name.

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