Will my child share the name Caspian with classmates?

Unlikely. With around 101 UK babies named Caspian per year, your child will almost certainly be the only Caspian in their class, and possibly the only one in the whole school.

Is Caspian becoming more or less popular in the UK?

Caspian is at its highest recorded position — #401 in 2025, with 101 births. In 2020 it ranked #559.

What does the name Caspian mean?

The name Caspian has Persian/Latin origins and means "Of the Caspian Sea; used by C.S. Lewis". Names with clear etymological roots tend to age well — they carry weight beyond fashion cycles and give children a story to tell about their name.

Is Caspian a popular baby name in the United States?

Caspian ranks #578 in the US top 1,000 (2024). It's recognised in America but considerably more popular in the UK.

👦 Boy's name 💎 Relatively Unique UK #401

Caspian

🗳️ Add Caspian to a family shortlist

Caspian is a distinctive choice, ranked #401 in 2025. Your child is likely to be the only Caspian in their class.

Origin & Meaning

Persian/Latin — Of the Caspian Sea; used by C.S. Lewis

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UK Rank 2025

#401

US Rank #491

About the Name Caspian

Caspian is steadily gaining in popularity, up 40 places over the past five years. Its best recorded rank was #489 in 2022, and it currently sits at #519. The name has been a consistent presence in UK records since 1996.

In terms of origin, Caspian is rooted in Persian/Latin, where it means "Of the Caspian Sea; used by C.S. Lewis". Names with strong etymological stories tend to age well — they carry weight beyond fashion cycles.

Caspian is fairly common in the UK, so your child is very likely to be the only Caspian in their class.

In the US it sits at #578 — notably more popular in the UK than across the Atlantic.