Sebastien is a distinctive boys' name in United States, ranking #1194 in 2000 with 114 recorded births. The name reached its all-time peak in 2007 with 178 births ranking #1058. Since 1996, the popularity has increased by 78.1%. In 2000, approximately 1 in every 17,227 boys born was named Sebastien. FALLING Recent data shows the name is currently falling.