Sebastion is a distinctive boys' name in United States, ranking #2673 in 2002 with 36 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 100.0%. In 2002, approximately 1 in every 53,930 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.