Lio is a distinctive boys' name in United States, ranking #4186 in 2019 with 25 recorded births. This places Lio in the top 30% 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 2019, approximately 1 in every 71,734 boys born was named Lio. FALLING Recent data shows the name is currently falling.