Arlo vs Silas

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

✓ All Clear

Boy #81 Most Popular 2 Syllables

"of the forest"

Origin: Latin (Silvanus)

English American Biblical

✓ All Clear

Arlo Rank #146

Silas Rank #81

Silas is more popular, ranked #81 vs #146 for Arlo.

Is Arlo or Silas more popular?

Silas is more popular, ranked #81 compared to Arlo at #146 in the United States.

What do Arlo and Silas mean?

Arlo means "fortified hill" (Old English origin). Silas means "of the forest" (Latin (Silvanus) origin).

Are Arlo and Silas boy or girl names?

Arlo is primarily a boy name. Silas is primarily a boy name.