Sebastion is a distinctive boys' name in United States, ranking #3685 in 2018 with 30 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 66.7%. In 2018, approximately 1 in every 60,516 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.