Ciaran vs Oliver

Baby Name Comparison — 2026

Popularity Comparison

Ciaran Rank #1,779
Oliver Rank #3

Oliver is more popular, ranked #3 vs #1779 for Ciaran.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ciaran ___

  • Ciaran James
  • Ciaran Patrick
  • Ciaran Finn
  • Ciaran Declan
  • Ciaran John
  • Ciaran Liam

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 Ciaran

Aoife Niamh Conor Declan Fionnuala

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Ciaran or Oliver more popular?

Oliver is more popular, ranked #3 compared to Ciaran at #1779 in the United States.

What do Ciaran and Oliver mean?

Ciaran means "little dark one" (Irish Gaelic origin). Oliver means "olive tree" (Latin origin).

Are Ciaran and Oliver boy or girl names?

Ciaran is primarily a boy name. Oliver is primarily a boy name.

More Comparisons

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← Full profile: Ciaran ← Full profile: Oliver Browse all baby names