Cassidy vs Oliver

Baby Name Comparison — 2026

Popularity Comparison

Cassidy Rank #476
Oliver Rank #3

Oliver is more popular, ranked #3 vs #476 for Cassidy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassidy ___

  • Cassidy Rose
  • Cassidy Ann
  • Cassidy Jane
  • Cassidy Renee
  • Cassidy Elizabeth
  • Cassidy Marie

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cassidy

Montana Savannah Ryder Colton Dakota

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Cassidy or Oliver more popular?

Oliver is more popular, ranked #3 compared to Cassidy at #476 in the United States.

What do Cassidy and Oliver mean?

Cassidy means "curly-haired" (Irish origin). Oliver means "olive tree" (Latin origin).

Are Cassidy and Oliver boy or girl names?

Cassidy is primarily a girl name. Oliver is primarily a boy name.

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