Caspian is a moderately popular boys' name in England & Wales, ranking #489 in 2022 with 80 recorded births. The name reached its all-time peak in 2025 with 101 births ranking #401. Since 1996, the popularity has increased by 2,566.7%. In 2022, approximately 1 in every 3,555 boys born was named Caspian. RISING Recent data shows the name is currently rising.
Caspian is a place name turned first name, best known through the Caspian Sea. It feels romantic, literary, and expansive, which is much of its appeal.
The name gained modern visibility through literature, especially Prince Caspian in C S Lewis's Chronicles of Narnia. That helped shift it from a geographical label into a recognised baby-name choice.