Sevastian is a distinctive boys' name in United States, ranking #4252 in 2003 with 20 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has increased by 233.3%. In 2003, approximately 1 in every 98,763 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.