Cydney vs Illianna

Baby Name Comparison — 2026

Popularity Comparison

Cydney Rank #8,132
Illianna Rank #8,308

Cydney is more popular, ranked #8132 vs #8308 for Illianna.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cydney ___

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

Illianna ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cydney

Taylor Madison Tyler Jordan Logan

If you choose Illianna

No sibling data available yet.

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Cydney or Illianna more popular?

Cydney is more popular, ranked #8132 compared to Illianna at #8308 in the United States.

What do Cydney and Illianna mean?

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

Are Cydney and Illianna boy or girl names?

Cydney is primarily a girl name. Illianna is primarily a girl name.

More Comparisons

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