Sebastian is a highly popular boys' name in England & Wales, ranking #42 in 2023 with 1,313 recorded births. The name reached its all-time peak in 2016 with 1,990 births ranking #36. Since 1996, the popularity has increased by 232.4%. In 2023, approximately 1 in every 211 boys born was named Sebastian. FALLING Recent data shows the name is currently falling.