Sebastion is a distinctive boys' name in United States, ranking #3446 in 2014 with 32 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 77.8%. In 2014, approximately 1 in every 60,014 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.