NameCensus.

UK boy's name

Len

A diminutive form of the masculine name Leonard meaning "brave lion".

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Len is a boy's name in the UK records. People looking for Len popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #3254, with 6 babies registered with the name. Its strongest year in the published records was 2024, with 6 births.

This profile covers 28 England and Wales registrations across 8 recorded years from 2004 to 2024. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

Len is at its recorded peak in the England and Wales series.

We estimate that about 28 living people in the UK are called Len. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Len ranked #3254 for boys in England and Wales in 2024, with 6 registrations.
  • The name peaked in 2024, when 6 boys were registered as Len.
  • About 28 living people in the UK are estimated to have Len as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3254

2024

Births in 2024

6

Latest year

Peak year

2024

6 births

Estimated living

28

2026

Meaning

What does Len mean?

The name Len has its origins in the Germanic languages, deriving from the root word "lind," which means "gentle" or "tender." This root word can be found in various ancient Germanic dialects, such as Old English, Old Norse, and Old High German.

The earliest recorded use of the name Len can be traced back to the Middle Ages, where it was a short form of longer names like Leonard or Lendric. These names were particularly popular among the Germanic tribes that inhabited regions of present-day Germany, the Netherlands, and parts of northern Europe.

One notable historical reference to the name Len comes from the Old English epic poem "Beowulf," where a character named Lendric is mentioned. This suggests that the name was in use among the Anglo-Saxons as early as the 8th or 9th century.

In the Middle Ages, the name Len was particularly common in the Low Countries, which today comprise the Netherlands, Belgium, and parts of northern France. During this period, it was often associated with individuals of noble or aristocratic backgrounds.

Throughout history, several notable individuals have borne the name Len. One of the earliest was Len of Flanders (c. 1020-1054), a Flemish nobleman and military leader who played a significant role in the conflicts between the County of Flanders and the Duchy of Normandy during the 11th century.

Another historical figure with the name Len was Len Blavatnik (1957-), a Ukrainian-born businessman and philanthropist who is one of the wealthiest individuals in the United Kingdom. He made his fortune in the natural resources and media industries.

In the world of sports, Len Dawson (1935-2022) was an American professional football player and coach. He played as a quarterback for the Kansas City Chiefs and was inducted into the Pro Football Hall of Fame in 1987.

Len Bias (1963-1986) was a promising American college basketball player who tragically died from a drug overdose shortly after being drafted by the Boston Celtics in 1986.

Len Deighton (1929-), a British author and military historian, is known for his spy novels, including the Harry Palmer series, which was adapted into several successful films.

Sourced from namecensus.com.

Popularity

Len over time

The chart below shows babies named Len registered in England and Wales in the years where the name appears in the published records, from 2004 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Len, the clearest high point is 2024. The latest England and Wales figure is 6 births in 2024, compared with 6 at the peak.

Babies born per year

Len
02356200420142024

Decades

Len by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Len was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #4345 12 3
2000s #4071 16 5

Related

Names similar to Len

FAQ

Len: questions and answers

How popular is the name Len in the UK right now?

In 2024, Len was ranked #3254 for boys in England and Wales, with 6 births registered.

When was Len most popular?

The peak year on record was 2024, with 6 babies registered as Len in England and Wales.

What is the meaning and origin of Len?

A diminutive form of the masculine name Leonard meaning "brave lion".

How many people are called Len in the UK?

A total of 28 babies have been registered as Len across the 8 years of ONS England & Wales records shown here.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.