Kilian is a distinctive boys' name in England & Wales, ranking #1402 in 2024 with 19 recorded births. The name reached its all-time peak in 2021 with 22 births ranking #1218. Since 1996, the popularity has increased by 216.7%. In 2024, approximately 1 in every 14,620 boys born was named Kilian. RISING Recent data shows the name is currently rising.