Sebastion is a distinctive boys' name in United States, ranking #4159 in 2013 with 24 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 33.3%. In 2013, approximately 1 in every 78,802 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.