Liam vs Rob

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 →

Rob

Boy #19,807 Most Popular 1 Syllable

Meaning

"bright fame"

Origin: Germanic

Cultural Roots

English Scottish Dutch

Quick Stats

Popularity Rank
#19,807
Total SSA Count
6
Syllables
1
Formality
Casual

Playground Safety Score

54 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Rob' rhymes with 'slob'"}

Full profile for Rob →

Popularity Comparison

Liam Rank #1
Rob Rank #19,807

Liam is more popular, ranked #1 vs #19807 for Rob.

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

Rob ___

  • Rob Ryan
  • Rob James
  • Rob Andrew
  • Rob Michael
  • Rob Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Rob

Kate Sam Tom Beth Dan

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 Rob more popular?

Liam is more popular, ranked #1 compared to Rob at #19807 in the United States.

What do Liam and Rob mean?

Liam means "strong-willed warrior" (Irish origin). Rob means "bright fame" (Germanic origin).

Are Liam and Rob boy or girl names?

Liam is primarily a boy name. Rob is primarily a boy name.

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