Marlo is a distinctive boys' name in United States, ranking #2769 in 2010 with 44 recorded births. The name reached its all-time peak in 2023 with 105 births ranking #1642. Since 1996, the popularity has increased by 37.5%. In 2010, approximately 1 in every 43,600 boys born was named Marlo. STABLE Recent data shows the name is currently stable.