Olivia vs Siobhan

Baby Name Comparison — 2026

Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank
#1
Total SSA Count
14,718
Syllables
4
Formality
Moderate
Nicknames
Liv, Livvy, Oli

Playground Safety Score

✓ All Clear
Full profile for Olivia →

Popularity Comparison

Olivia Rank #1
Siobhan Rank #1,931

Olivia is more popular, ranked #1 vs #1931 for Siobhan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

Siobhan ___

  • Siobhan Rose
  • Siobhan Mary
  • Siobhan Grace
  • Siobhan Fiona
  • Siobhan Claire
  • Siobhan Brigid

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Siobhan

Aoife Niamh Cormac Declan Saoirse

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 Olivia or Siobhan more popular?

Olivia is more popular, ranked #1 compared to Siobhan at #1931 in the United States.

What do Olivia and Siobhan mean?

Olivia means "olive tree" (Latin origin). Siobhan means "God is gracious" (Hebrew origin).

Are Olivia and Siobhan boy or girl names?

Olivia is primarily a girl name. Siobhan is primarily a girl name.

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