Lio is a distinctive boys' name in England & Wales, ranking #3651 in 2004 with 3 recorded births. This places Lio in the bottom 23% 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 2004, approximately 1 in every 102,829 boys born was named Lio. FALLING Recent data shows the name is currently falling.