Arlo vs Liam

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

Meaning

"fortified hill"

Origin: Old English

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#146
Total SSA Count
2,481
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Arlo →

Popularity Comparison

Arlo Rank #146
Liam Rank #1

Liam is more popular, ranked #1 vs #146 for Arlo.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Arlo ___

  • Arlo James
  • Arlo Thomas
  • Arlo Bear
  • Arlo Fox
  • Arlo River
  • Arlo Blue

Liam ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Arlo

Milo Isla Clover Finn Margot

If you choose Liam

Olivia Emma Noah Charlotte 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 Arlo or Liam more popular?

Liam is more popular, ranked #1 compared to Arlo at #146 in the United States.

What do Arlo and Liam mean?

Arlo means "fortified hill" (Old English origin). Liam means "strong-willed warrior" (Irish origin).

Are Arlo and Liam boy or girl names?

Arlo is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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