Harlo is a distinctive boys' name in United States, ranking #4989 in 2021 with 19 recorded births. This places Harlo in the top 35% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 35 births ranking #3342. In 2021, approximately 1 in every 92,012 boys born was named Harlo. STABLE Recent data shows the name is currently stable.