Caitlynn vs Cydney

Baby Name Comparison — 2026

Cydney

Girl #8,132 Most Popular 2 Syllables

Meaning

"wide island"

Origin: Old English

Cultural Roots

English Australian American

Quick Stats

Popularity Rank
#8,132
Total SSA Count
14
Syllables
2
Formality
Casual
Nicknames
Cyd, Syddie

Playground Safety Score

✓ All Clear
Full profile for Cydney →

Popularity Comparison

Caitlynn Rank #8,156
Cydney Rank #8,132

Cydney is more popular, ranked #8132 vs #8156 for Caitlynn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caitlynn ___

No pairings available yet.

Cydney ___

  • Cydney Grace
  • Cydney Mae
  • Cydney Ann
  • Cydney Leigh
  • Cydney Renee

Sibling Name Ideas

Names that pair well as siblings.

If you choose Caitlynn

No sibling data available yet.

If you choose Cydney

Taylor Madison Tyler Jordan Logan

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Caitlynn or Cydney more popular?

Cydney is more popular, ranked #8132 compared to Caitlynn at #8156 in the United States.

What do Caitlynn and Cydney mean?

Cydney means "wide island" (Old English origin).

Are Caitlynn and Cydney boy or girl names?

Caitlynn is primarily a girl name. Cydney is primarily a girl name.

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← Full profile: Caitlynn ← Full profile: Cydney Browse all baby names