Sebastion is a distinctive boys' name in United States, ranking #2212 in 2001 with 47 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 161.1%. In 2001, approximately 1 in every 41,337 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.