Arlo
Meaning
"fortified hill"
Origin: Old English
Cultural Roots
Quick Stats
- Popularity Rank
- #146
- Total SSA Count
- 2,481
- Syllables
- 2
- Formality
- Casual
Baby Name Comparison — 2026
"fortified hill"
Origin: Old English
"youthful, downy-bearded"
Origin: Latin Julius family name
Julian is more popular, ranked #30 vs #146 for Arlo.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Julian is more popular, ranked #30 compared to Arlo at #146 in the United States.
Arlo means "fortified hill" (Old English origin). Julian means "youthful, downy-bearded" (Latin Julius family name origin).
Arlo is primarily a boy name. Julian is primarily a boy name.