NameCensus.

UK boy's name

Izaak

A masculine name of Hebrew origin meaning "he will laugh".

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.

Izaak is a boy's name in the UK records. People looking for Izaak 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 2007, with 52 births.

This profile covers 845 England and Wales registrations across 29 recorded years from 1996 to 2024. The figures come from ONS England and Wales and NRS Scotland, 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 8% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 853 living people in the UK are called Izaak. 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

  • Izaak ranked #4270 for boys in England and Wales in 2024, with 4 registrations.
  • The name peaked in 2007, when 52 boys were registered as Izaak.
  • Izaak ranks best in Scotland in the latest published regional snapshot for that area, where it placed #728 in 2023.
  • About 853 living people in the UK are estimated to have Izaak 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

2007

52 births

Estimated living

853

2026

Meaning

What does Izaak mean?

The name Izaak originates from the Hebrew name Yitzchak, which means "he will laugh" or "he will rejoice." It is derived from the Hebrew root tzchk, meaning "to laugh" or "to rejoice." The name has its roots in the biblical story of Abraham and Sarah, who laughed in joy and disbelief when they were told they would have a son in their old age.

The name Yitzchak was later transliterated into Greek as Isaak and then into Latin as Isaac. The spelling Izaak emerged as a variant in several European languages, including Dutch, German, and English. It was particularly popular among Protestants during the Protestant Reformation.

One of the earliest recorded instances of the name Izaak is in the medieval Dutch work "Rijmbijbel" (Rhymed Bible) from the 13th century. The name also appears in other medieval texts and religious works across Europe.

Izaak Walton (1593-1683) was an English writer best known for his book "The Compleat Angler," a classic work on the art of fishing. He is considered a father of the literary genre known as pastoral literature.

Izaak Bredero (1585-1618) was a Dutch playwright and poet who wrote in the vernacular style, helping to establish Dutch as a literary language. His works, such as "De Spaansche Brabander" and "Moortje," are considered classics of Dutch literature.

Izaak van Mosscher (1612-1670) was a Dutch Golden Age painter known for his portraits and genre scenes. He was a member of the Haarlem Guild of St. Luke and is considered one of the most talented portrait painters of his time.

Izaak Jansz Vingboons (1608-1669) was a Dutch architect and engineer who designed several notable buildings in Amsterdam, including the Westerkerk and the Montelbaanstoren.

Izaak Antonides van der Goes (1647-1719) was a Dutch poet and playwright known for his work "Ystroom" (Ice Stream), a poetic description of the winter landscape and ice skating in the Netherlands. He was considered one of the leading poets of his time.

Sourced from namecensus.com.

Popularity

Izaak over time

The chart below shows babies named Izaak 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 Izaak, the clearest high point is 2007. The latest England and Wales figure is 4 births in 2024, compared with 52 at the peak.

Babies born per year

Izaak
013263952199620102024

Decades

Izaak by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Izaak 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 #2309 57 5
2010s #1307 213 10
2000s #582 434 10
1990s #535 141 4

Geography

Where Izaak is most common

The bars show the latest published local birth counts for Izaak. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Izaak ranks best in Scotland in the latest published regional snapshot for that area, where it placed #728 in 2023.

Scotland
3

Across the UK

Izaak in Scotland and Northern Ireland

Scotland (NRS)

#728 in 2023

4 years of NRS records, 15 total registered

Notable bearers

Famous people named Izaak

  • Izaak Duffy

    rugby league player

    Welsh rugby league footballer

    1989-

  • Izaak Walton

    writer; biographer

    English author and biographer (1593-1683)

    1593-1683

Related

Names similar to Izaak

FAQ

Izaak: questions and answers

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

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

When was Izaak most popular?

The peak year on record was 2007, with 52 babies registered as Izaak in England and Wales.

What is the meaning and origin of Izaak?

A masculine name of Hebrew origin meaning "he will laugh".

How many people are called Izaak in the UK?

A total of 845 babies have been registered as Izaak across the 29 years of ONS England & Wales records shown here, plus 15 more in Scotland.

Where is Izaak most common?

In the latest published local rankings, Izaak ranks best in Scotland, where it placed #728 in 2023. The regional bars on this page use birth counts, so they also reflect the size of each region.

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.