Sebastion is a distinctive boys' name in United States, ranking #2500 in 2003 with 42 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 133.3%. In 2003, approximately 1 in every 47,030 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.