Sebastion is a distinctive boys' name in United States, ranking #3435 in 2007 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 2007, approximately 1 in every 64,851 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.