Sevastian is a distinctive boys' name in United States, ranking #3921 in 2005 with 24 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has increased by 300.0%. In 2005, approximately 1 in every 83,214 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.