Ciaran vs Olivia

Baby Name Comparison — 2026

Ciaran

Boy #1,779 Most Popular 2 Syllables

Meaning

"little dark one"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish British

Quick Stats

Popularity Rank
#1,779
Total SSA Count
92
Syllables
2
Formality
Moderate
Nicknames
Kier, Ciar

Playground Safety Score

✓ All Clear
Full profile for Ciaran →

Popularity Comparison

Ciaran Rank #1,779
Olivia Rank #1

Olivia is more popular, ranked #1 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

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Ciaran

Aoife Niamh Conor Declan Fionnuala

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Ciaran or Olivia more popular?

Olivia is more popular, ranked #1 compared to Ciaran at #1779 in the United States.

What do Ciaran and Olivia mean?

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

Are Ciaran and Olivia boy or girl names?

Ciaran is primarily a boy name. Olivia is primarily a girl name.

More Comparisons

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