Sebastion is a distinctive boys' name in United States, ranking #2081 in 2000 with 49 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 172.2%. In 2000, approximately 1 in every 40,080 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.