Will my child share the name Lex with classmates?

Unlikely. With around 6 UK babies named Lex per year, your child will almost certainly be the only Lex in their class, and possibly the only one in the whole school.

Is Lex becoming more or less popular in the UK?

Lex is declining: down 1,621 places since 2020, to #3,256 in 2025. It peaked at #982 in 2005.

Is Lex a good choice for a distinctive name?

Lex 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 Lex a popular baby name in the United States?

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

👦 Boy's name 💎 Relatively Unique UK #3256

Lex

🗳️ Add Lex to a family shortlist

Lex is a distinctive choice, ranked #3256 in 2025. Your child is likely to be the only Lex in their class.

💎

UK Rank 2025

#3256

About the Name Lex

Lex has seen a notable decline in recent years, dropping 123 places in five years. It was most popular in 2005 at #982 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1999.

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

⭐ Famous People Named Lex

Lex Greensill — Alexander David "Lex" Greensill is an Australian former businessman best known for being the founder of Greensill Capital, a company focused on supply chain finance and derivative financial products that on 8 March 2021 filed for insolvency protection and…
Lex Lasry — Lex Lasry is an Australian lawyer and a retired judge of the Supreme Court of Victoria from 2007 to 2018.
Lex Street massacre — The Lex Street massacre is the name, given by a Philadelphia Daily News reporter, to a mass murder that took place in Philadelphia, Pennsylvania, United States on December 28, 2000.

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 Lex

UK babies named Lex (2025)

< 1

Expected classmates with this name (class of 28)

~0.0

In a school of 600

↓ 1621 places

Rank change (last 5 years)

🏫 Who else is in the room?

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

Almost certainly the only Lex in the class

UK Popularity (1999–2025)

Rank and birth count · ONS official data

No US data available for this name

✨ Similar names to Lex

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

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Famous People Named Lex

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

Lex Greensillb. 1976

Alexander David "Lex" Greensill is an Australian former businessman best known for being the founder of Greensill Capital, a company focused on supply chain finance and derivative financial products that on 8 March 2021 filed for insolvency protection and faced legal scrutiny.

Lex Lasry1948

Lex Lasry is an Australian lawyer and a retired judge of the Supreme Court of Victoria from 2007 to 2018.

Lex Street massacre

The Lex Street massacre is the name, given by a Philadelphia Daily News reporter, to a mass murder that took place in Philadelphia, Pennsylvania, United States on December 28, 2000.

Lex Luger (music producer)

Lexus Arnel Lewis, professionally known as Lex Luger, is an American record producer.

Lex