Legion is a distinctive boys' name in United States, ranking #4953 in 2022 with 20 recorded births. This places Legion in the top 35% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 27 births ranking #3958. In 2022, approximately 1 in every 87,219 boys born was named Legion. STABLE Recent data shows the name is currently stable.