Liam vs Oisin

Baby Name Comparison — 2026

Liam

Boy #1 Most Popular 2 Syllables

Meaning

"strong-willed warrior"

Origin: Irish

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#1
Total SSA Count
22,164
Syllables
2
Formality
Moderate
Nicknames
Lee

Playground Safety Score

✓ All Clear
Full profile for Liam →

Oisin

Boy #4,145 Most Popular 2 Syllables

Meaning

"little deer, fawn"

Origin: Old Irish

Cultural Roots

Irish Celtic Scottish

Quick Stats

Popularity Rank
#4,145
Total SSA Count
26
Syllables
2
Formality
Moderate
Nicknames
Osh, Shin

Playground Safety Score

✓ All Clear
Full profile for Oisin →

Popularity Comparison

Liam Rank #1
Oisin Rank #4,145

Liam is more popular, ranked #1 vs #4145 for Oisin.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Oisin ___

  • Oisin Patrick
  • Oisin Brendan
  • Oisin Cormac
  • Oisin Finn
  • Oisin James
  • Oisin Liam

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Oisin

Finn Cormac Aoife Saoirse Brigid

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 Liam or Oisin more popular?

Liam is more popular, ranked #1 compared to Oisin at #4145 in the United States.

What do Liam and Oisin mean?

Liam means "strong-willed warrior" (Irish origin). Oisin means "little deer, fawn" (Old Irish origin).

Are Liam and Oisin boy or girl names?

Liam is primarily a boy name. Oisin is primarily a boy name.

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← Full profile: Liam ← Full profile: Oisin Browse all baby names