Sebastien is a distinctive boys' name in United States, ranking #1842 in 2024 with 88 recorded births. The name reached its all-time peak in 2007 with 178 births ranking #1058. Since 1996, the popularity has increased by 37.5%. In 2024, approximately 1 in every 19,492 boys born was named Sebastien. FALLING Recent data shows the name is currently falling.