Sebastian is a highly popular boys' name in England & Wales, ranking #45 in 2024 with 1,116 recorded births. The name reached its all-time peak in 2016 with 1,990 births ranking #36. Since 1996, the popularity has increased by 182.5%. In 2024, approximately 1 in every 249 boys born was named Sebastian. FALLING Recent data shows the name is currently falling.