Isak
How to say it: ee-ZAK · /iˈzak/
Scandinavian form of Isaac (Hebrew 'he will laugh') - traditional in Sweden and Norway.
Isak was the 49th most popular boys’ name in the United States in 2025, given to 38 babies (Social Security Administration). Its busiest decade was the 2000s, its births are down about 41% in ten years, and it is projected to slip to #72 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #49 |
|---|---|
| Babies born in 2025 | 38 |
| Share of births | 1 in 524 |
| Peak decade | 2000s |
| Change over 10 years | −41% |
| Projected rank for 2030 (estimate) | #72 |
| In France, 2025 | #9 among boys’ names, 40 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Isak is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Isa
- Sak
Honouring a Isak in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Isak is about 1 in 22.
Around the world
This spelling is used in Danish, Dutch, English, French, German, Hebrew, Norwegian, Swedish.
In France: #9 for boys in 2025.
Famous people named Isak
- Isak Hien (born 1999)Swedish footballer
- Isak Samokovlija (1889–1955)Bosnian writer
- Isak Frey (born 2003)Norwegian biathlete
From Wikidata and Wikipedia
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