Sebastion is a distinctive boys' name in United States, ranking #4608 in 1998 with 15 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has decreased by 16.7%. In 1998, approximately 1 in every 127,421 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.