Cassian is a moderately popular boys' name in England & Wales, ranking #367 in 2024 with 118 recorded births. The name reached its all-time peak in 2023 with 136 births ranking #323. Since 1996, the popularity has increased by 2,260.0%. In 2024, approximately 1 in every 2,354 boys born was named Cassian. RISING Recent data shows the name is currently rising.