Sevastian is a distinctive boys' name in United States, ranking #4040 in 2013 with 25 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has increased by 316.7%. In 2013, approximately 1 in every 75,650 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.