Sevastian is a distinctive boys' name in United States, ranking #6436 in 1999 with 10 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has increased by 66.7%. In 1999, approximately 1 in every 192,009 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.