NameCensus.

UK boy's name

Wiliam

A masculine name of Germanic origin meaning "resolute protector".

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.

Wiliam is a boy's name in the UK records. People looking for Wiliam popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #4270, with 4 babies registered with the name. Its strongest year in the published records was 2004, with 12 births.

This profile covers 176 England and Wales registrations across 25 recorded years from 1996 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.

The latest count is about 33% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 175 living people in the UK are called Wiliam. 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

  • Wiliam ranked #4270 for boys in England and Wales in 2024, with 4 registrations.
  • The name peaked in 2004, when 12 boys were registered as Wiliam.
  • About 175 living people in the UK are estimated to have Wiliam as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4270

2024

Births in 2024

4

Latest year

Peak year

2004

12 births

Estimated living

175

2026

Meaning

What does Wiliam mean?

The name Wiliam originated from the Germanic language group, derived from the words "wil" meaning "will or desire" and "helm" meaning "helmet" or "protection." It is a combination of these two root words, forming the meaning "resolute protector" or "strong-willed guardian." This name has its roots dating back to the early Middle Ages, around the 9th to 11th centuries.

Wiliam was a popular name among the nobility and ruling classes in various Germanic regions, including parts of modern-day Germany, Austria, and the Netherlands. It gained widespread popularity across Europe during the medieval period, particularly after the Norman Conquest of England in 1066, when it was brought to the British Isles by Norman nobles and knights.

One of the earliest recorded instances of the name Wiliam can be found in the Domesday Book, a manuscript recording landowners in England in 1086. This document mentions several individuals with the name Wiliam, indicating its presence in England shortly after the Norman Conquest.

Throughout history, the name Wiliam has been borne by numerous notable figures. One of the most famous was William the Conqueror (c. 1028-1087), the Norman king who conquered England in 1066 and became the first monarch of the House of Normandy. Another notable figure was William Wallace (c. 1270-1305), the Scottish knight and patriot who led the resistance against English rule during the Wars of Scottish Independence.

In the realm of literature, William Shakespeare (1564-1616), the renowned English playwright and poet, is perhaps the most well-known bearer of the name. His works, including plays like Hamlet, Macbeth, and Romeo and Juliet, have had a lasting impact on the English language and world literature.

Other notable individuals with the name Wiliam include William the Silent (1533-1584), the Prince of Orange and a leader of the Dutch Revolt against Spanish rule, and William Wilberforce (1759-1833), the English politician and philanthropist who led the movement to abolish the slave trade in the British Empire.

Variations and spellings of the name Wiliam have emerged over time, such as Wilhelm, Guillaume, and Guillermo, reflecting the linguistic and cultural influences in different regions. However, the core meaning and historical significance of the name have remained consistent, reflecting the ideals of strength, determination, and protection.

Sourced from namecensus.com.

Popularity

Wiliam over time

The chart below shows babies named Wiliam registered in England and Wales in the years where the name appears in the published records, from 1996 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 Wiliam, the clearest high point is 2004. The latest England and Wales figure is 4 births in 2024, compared with 12 at the peak.

Babies born per year

Wiliam
036912199620102024

Decades

Wiliam by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Wiliam 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 #3659 10 2
2010s #3032 65 10
2000s #1982 74 9
1990s #1662 27 4

Related

Names similar to Wiliam

FAQ

Wiliam: questions and answers

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

In 2024, Wiliam was ranked #4270 for boys in England and Wales, with 4 births registered.

When was Wiliam most popular?

The peak year on record was 2004, with 12 babies registered as Wiliam in England and Wales.

What is the meaning and origin of Wiliam?

A masculine name of Germanic origin meaning "resolute protector".

How many people are called Wiliam in the UK?

A total of 176 babies have been registered as Wiliam across the 25 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.