Lio is a distinctive boys' name in England & Wales, ranking #2301 in 2021 with 9 recorded births. This places Lio in the top 37% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2024 with 16 births ranking #1595. In 2021, approximately 1 in every 32,777 boys born was named Lio. FALLING Recent data shows the name is currently falling.