Will my child share the name Cass with classmates?

Unlikely. With around 29 UK babies named Cass per year, your child will almost certainly be the only Cass in their class, and possibly the only one in the whole school.

Is Cass becoming more or less popular in the UK?

Cass is at its highest recorded position — #1,035 in 2025, with 29 births. In 2020 it ranked #1,492.

Is Cass a good choice for a distinctive name?

Cass is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.

Is Cass a popular baby name in the United States?

Cass does not appear in the US top 1,000 baby names, making it a distinctively British choice.

👦 Boy's name 💎 Relatively Unique UK #1035

Cass

Q: Who are some famous people named Cass?

Notable people named Cass include: Cass Pennant — Carol "Cass" Pennant, is an English writer and former football hooligan.; Cass Sunstein — Cass Robert Sunstein is an American legal scholar known for his work in U..

🗳️ Add Cass to a family shortlist

Cass is a distinctive choice, ranked #1035 in 2025. Your child is likely to be the only Cass in their class.

💎

UK Rank 2025

#1035

About the Name Cass

Cass has seen a notable decline in recent years, dropping 266 places in five years. It was most popular in 2021 at #1117 — parents choosing it today are making a deliberately counter-trend decision. The name has been a regular feature in UK records since 2001.

Cass is uncommon in the UK, so your child is very likely to be the only Cass in their class.

⭐ Famous People Named Cass

Cass Pennant — Carol "Cass" Pennant, is an English writer and former football hooligan.
Cass Sunstein — Cass Robert Sunstein is an American legal scholar known for his work in U.S. constitutional law, administrative law, environmental law, and behavioral economics.
Cass Canfield — Augustus Cass Canfield was an American publishing executive who was the longtime president and chairman of Harper & Brothers, later Harper & Row.

Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.

Frequently Asked Questions

Common questions about the name Cass

UK babies named Cass (2025)

< 1

Expected classmates with this name (class of 28)

~0.0

In a school of 600

↑ 457 places

Rank change (last 5 years)

🏫 Who else is in the room?

In a typical UK class of 28, highlighted children share the name Cass

Almost certainly the only Cass in the class

UK Popularity (2001–2025)

Rank and birth count · ONS official data

No US data available for this name

✨ Similar names to Cass

Names with a similar style — each with their own classroom story

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Famous People Named Cass

Notable people who share this name, from history to the present day. See full list on Wikipedia

Cass Pennant1958

Carol "Cass" Pennant, is an English writer and former football hooligan.

Cass Sunstein

Cass Robert Sunstein is an American legal scholar known for his work in U.S. constitutional law, administrative law, environmental law, and behavioral economics.

Cass Canfield

Augustus Cass Canfield was an American publishing executive who was the longtime president and chairman of Harper & Brothers, later Harper & Row.

David Cass

David Cass was a professor of economics at the University of Pennsylvania, mostly known for his contributions to general equilibrium theory.

Cass Gilbert

Cass Gilbert was an American architect.

Al Cass

Alfred S.

Fictional Casss

Cass Winthrop, Castiel (Supernatural)