Sebastian is a highly popular boys' name in England & Wales, ranking #39 in 2022 with 1,409 recorded births. The name reached its all-time peak in 2016 with 1,990 births ranking #36. Since 1996, the popularity has increased by 256.7%. In 2022, approximately 1 in every 202 boys born was named Sebastian. FALLING Recent data shows the name is currently falling.