UK boy's name
Isak
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.
Isak is a boy's name in the UK records. People looking for Isak popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1517, with 17 babies registered with the name. Its strongest year in the published records was 2023, with 17 births.
This profile covers 171 England and Wales registrations across 25 recorded years from 1998 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 100% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 170 living people in the UK are called Isak. 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
- • Isak ranked #1517 for boys in England and Wales in 2024, with 17 registrations.
- • The name peaked in 2023, when 17 boys were registered as Isak.
- • About 170 living people in the UK are estimated to have Isak as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#1517
2024
Births in 2024
17
Latest year
Peak year
2023
17 births
Estimated living
170
2026
Meaning
What does Isak mean?
The name Isak has its origins in the Hebrew language and culture. It is a variant spelling of the biblical name Isaac, which is derived from the Hebrew word "yitshaq" meaning "he laughs" or "he rejoices." The name first appeared in the Book of Genesis in the Hebrew Bible, where Isaac was the son of Abraham and Sarah, and was an important figure in the Abrahamic religions.
One of the earliest recorded uses of the name Isak can be found in the Hebrew Bible, which dates back to around the 6th century BCE. In the Bible, Isaac was the son of Abraham and Sarah, and was an important figure in the Abrahamic religions. He was also the father of Jacob and Esau, and is considered a patriarch in both Judaism and Christianity.
Over the centuries, the name Isak has been used by many notable figures throughout history. One of the most famous was Isak Abravanel (1437-1508), a Jewish philosopher, biblical commentator, and statesman who served as a finance minister in Portugal and Spain. Another notable bearer of the name was Isak Muddiman (1594-1672), an English academic and theologian who served as the President of St John's College, Oxford.
In the field of science, Isak Newton (1642-1727) was a renowned English mathematician, physicist, astronomer, and natural philosopher who is widely regarded as one of the most influential scientists of all time. He is best known for his work on the laws of motion, universal gravitation, and the development of calculus.
In the realm of literature, Isak Dinesen (1885-1962) was the pen name of Karen Blixen, a Danish author who wrote numerous works of fiction, including the famous memoir "Out of Africa." Her stories often explored themes of love, loss, and the human condition.
Another notable bearer of the name was Isak Fried (1876-1941), a Polish-born Jewish architect who was instrumental in the development of the Art Nouveau style in Warsaw. His most famous works include the Sosnowski Palace and the Klosinski Palace, both of which are considered architectural masterpieces.
These are just a few examples of the many notable figures throughout history who have borne the name Isak, a name that has its roots in the Hebrew language and culture, and has been used across various cultures and time periods.
Sourced from namecensus.com.
Popularity
Isak over time
The chart below shows babies named Isak registered in England and Wales in the years where the name appears in the published records, from 1998 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 Isak, the clearest high point is 2023. The latest England and Wales figure is 17 births in 2024, compared with 17 at the peak.
Babies born per year
Decades
Isak by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Isak 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 | #2456 | 52 | 5 |
| 2010s | #3129 | 62 | 10 |
| 2000s | #2704 | 53 | 9 |
| 1990s | #2419 | 4 | 1 |
Related
Names similar to Isak
- Isaac 49,129
- Ibrahim 14,115
- Ismail 4,679
- Isaiah 4,629
- Idris 3,810
- Ivan 3,146
- Isa 2,943
- Ian 2,805
- Ilyas 2,552
- Ieuan 2,515
- Ibraheem 2,384
- Ioan 2,295
FAQ
Isak: questions and answers
How popular is the name Isak in the UK right now?
In 2024, Isak was ranked #1517 for boys in England and Wales, with 17 births registered.
When was Isak most popular?
The peak year on record was 2023, with 17 babies registered as Isak in England and Wales.
What is the meaning and origin of Isak?
A masculine name of Hebrew origin meaning "he will laugh".
How many people are called Isak in the UK?
A total of 171 babies have been registered as Isak 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.