Harlo is a distinctive boys' name in United States, ranking #13153 in 2009 with 5 recorded births. This places Harlo in the bottom 10% 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 2009, approximately 1 in every 396,661 boys born was named Harlo. STABLE Recent data shows the name is currently stable.