Cori vs Sidney

Baby Name Comparison — 2026

Cori

Girl #1,765 Most Popular 2 Syllables

Meaning

"maiden, young woman"

Origin: Greek

Cultural Roots

American Irish English

Quick Stats

Popularity Rank
#1,765
Total SSA Count
114
Syllables
2
Formality
Casual
Nicknames
Co

Playground Safety Score

✓ All Clear
Full profile for Cori →

Sidney

Boy #1,374 Most Popular 2 Syllables

Meaning

"from Saint Denis"

Origin: Anglo-Norman French

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#1,374
Total SSA Count
137
Syllables
2
Formality
Moderate
Nicknames
Sid

Playground Safety Score

✓ All Clear
Full profile for Sidney →

Popularity Comparison

Cori Rank #1,765
Sidney Rank #1,374

Sidney is more popular, ranked #1374 vs #1765 for Cori.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cori ___

  • Cori Lynn
  • Cori Ann
  • Cori Marie
  • Cori Lee
  • Cori Beth
  • Cori Jane

Sidney ___

  • Sidney James
  • Sidney Charles
  • Sidney Arthur
  • Sidney George
  • Sidney Philip
  • Sidney Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cori

Tori Lori Kori Rori Allie

If you choose Sidney

Shelby Beverly Evelyn Reginald Stanley

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 Cori or Sidney more popular?

Sidney is more popular, ranked #1374 compared to Cori at #1765 in the United States.

What do Cori and Sidney mean?

Cori means "maiden, young woman" (Greek origin). Sidney means "from Saint Denis" (Anglo-Norman French origin).

Are Cori and Sidney boy or girl names?

Cori is primarily a girl name. Sidney is primarily a boy name.

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← Full profile: Cori ← Full profile: Sidney Browse all baby names