Sebastion is a distinctive boys' name in United States, ranking #3695 in 2005 with 26 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 44.4%. In 2005, approximately 1 in every 76,813 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.