Leo is an extremely popular boys' name in England & Wales, ranking #5 in 2024 with 3,324 recorded births. The name reached its all-time peak in 2017 with 3,781 births ranking #7. Since 1996, the popularity has increased by 2,130.9%. In 2024, approximately 1 in every 84 boys born was named Leo. STABLE Recent data shows the name is currently stable.