Sebastion is a distinctive boys' name in United States, ranking #3015 in 1999 with 28 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 55.6%. In 1999, approximately 1 in every 68,575 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.