Olivia vs Siara

Baby Name Comparison — 2026

Siara

Girl #1,708 Most Popular 2 Syllables

Meaning

"dark, black-haired"

Origin: Irish Gaelic

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#1,708
Total SSA Count
119
Syllables
2
Formality
Moderate
Nicknames
Si, Sia

Playground Safety Score

✓ All Clear
Full profile for Siara →

Popularity Comparison

Olivia Rank #1
Siara Rank #1,708

Olivia is more popular, ranked #1 vs #1708 for Siara.

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

Siara ___

  • Siara Rose
  • Siara Faye
  • Siara Grace
  • Siara Marie
  • Siara Bridget
  • Siara Maeve

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Siara

Niamh Aoife Rory Declan Sorcha

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 Siara more popular?

Olivia is more popular, ranked #1 compared to Siara at #1708 in the United States.

What do Olivia and Siara mean?

Olivia means "olive tree" (Latin origin). Siara means "dark, black-haired" (Irish Gaelic origin).

Are Olivia and Siara boy or girl names?

Olivia is primarily a girl name. Siara is primarily a girl name.

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