Sebastion is a distinctive boys' name in United States, ranking #4441 in 2017 with 23 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 27.8%. In 2017, approximately 1 in every 80,449 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.