Lio is a distinctive boys' name in United States, ranking #5641 in 2015 with 16 recorded births. This places Lio in the top 40% 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 44 births ranking #2891. In 2015, approximately 1 in every 119,766 boys born was named Lio. FALLING Recent data shows the name is currently falling.