Arlo is a moderately popular boys' name in United States, ranking #169 in 2022 with 2,220 recorded births. The name reached its all-time peak in 2024 with 2,481 births ranking #146. Since 1996, the popularity has increased by 10,471.4%. In 2022, approximately 1 in every 786 boys born was named Arlo. STABLE Recent data shows the name is currently stable.
Arlo is a stylish English name with an uncertain exact meaning. Behind the Name gives its strongest route as a literary and place-name-inspired form rather than a neat inherited definition.
The name may have been inspired by Arlo Hill in Spenser's The Faerie Queene, with that form likely influenced by the Irish place name Aherlow. Modern popularity has much more to do with sound and style than with a single simple literal meaning.