Declining since 2002, #2,676 for boys today.
Popularity of Isaak since 1976
Babies named Isaak per year in U.S. Social Security records. Raw births topped out in 2009, but relative to how few babies were recorded back then, Isaak's real moment was 2002.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1970s | 5 |
| 1980s | 69 |
| 1990s | 600 |
| 2000s | 1,880 |
| 2010s | 1,347 |
| 2020s | 370 |
Meaning & origin
Isaak is a cross-cultural variant of Isaac that has maintained a steady, if modest, presence in American naming. First recorded in the U.S. in 1976, it reached its highest rank of 2,676 in 2002 and has been gradually falling in use since then. In 2025, it had a frequency of 1 in 35,585 births, reflecting its enduring but niche appeal. The name is most common in Florida and Texas, states with sizable German- and Scandinavian-descended communities. Isaak offers a familiar but slightly distinctive alternative to the more common Isaac, appealing to parents who value a name with deep biblical roots and a clear pronunciation.
Isaak is a German and Scandinavian variant of Isaac, derived from the Hebrew name Yitzchak, from the root tzachak meaning 'to laugh'. In the Old Testament, Isaac is the son of Abraham and Sarah, born in their old age, and his name commemorates Sarah's laughter at the prophecy of his birth. The variant Isaak has been used in German-speaking countries and Scandinavia for centuries, and gained some usage in the United States among families with German or Scandinavian heritage. It is also a common given name in Russia and other Slavic countries, often transliterated as Isaak.
Where Isaak is most popular
Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.
“Isaak” around the world
Where Isaak lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
60
babies in 2024
Quebec
6
babies in 2025
Sources: INSEE (France) · Retraite Québec (Quebec).
Nicknames & variants
Nicknames: Izzy, Zak, Ike
Sibling names for Isaak
Names that share Isaak's style, for a brother or sister.

