Sebastion is a distinctive boys' name in United States, ranking #3874 in 2012 with 27 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 50.0%. In 2012, approximately 1 in every 70,245 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.