Sion is a distinctive boys' name in United States, ranking #8326 in 1998 with 7 recorded births. The name reached its all-time peak in 2022 with 43 births ranking #2951. Since 1996, the popularity has increased by 16.7%. In 1998, approximately 1 in every 273,045 boys born was named Sion. STABLE Recent data shows the name is currently stable.