Sevastian is a distinctive boys' name in United States, ranking #3991 in 2014 with 26 recorded births. The name reached its all-time peak in 2008 with 35 births ranking #3268. Since 1996, the popularity has increased by 333.3%. In 2014, approximately 1 in every 73,863 boys born was named Sevastian. FALLING Recent data shows the name is currently falling.