The first name Isaak
A boy’s name.
2 syllables Male Also a surname
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 12 boys were named Isaak, making it the 2,014th most popular boys’ name. It peaked in 2011, with 21 births (#1,209).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Isaak with other names.
Popularity in the United States
Babies named Isaak at birth, 1880–2025
In 2025, 48 boys born in the United States were named Isaak, the 2,693rd most popular boys’ name that year. It was used most in 2009, when 218 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Isaak
10 on Wikidata, most written-about first
- Isaak TouréFrench professional footballer, born 2003
- Isaak August DornerGerman Lutheran church leader (1809–1884)
- Isaac I KomnenosByzantine Emperor, 1007–1060
- Isaac II AngelosByzantine emperor (1155-1204)
- Isaac HaLevy Herzog1st Chief Rabbi of Ireland and Israel (1888–1959)
- Isaac KomnenosByzantine noble, 1093–1154
- Isaac KomnenosByzantine nobleman, son of Emperor John II Komnenos, born 1113
- Isaac KomnenosByzantine general, brother of emperor Alexios I, born 1050
- Isaac Jacob ReinesBelarusian rabbi (1839–1915)
- Wilhelm von GutmannAustrian entrepreneur, 1826–1895
Questions
- How popular is the name Isaak?
- In 2025, 12 boys born in England and Wales were named Isaak, ranking 2,014th. Its peak was 2011, with 21 births.
- Is Isaak a boy's or a girl's name?
- Mostly a boy's name: 100% of the 4,271 US babies named Isaak since 1880 were boys.
- When was Isaak most popular?
- 2009 in the United States, when 218 babies were named Isaak, its highest rank at 940th.
- Is Isaak also a surname?
- Yes. Isaak is used as a surname as well as a first name; its surname page has the origin and how many people carry it.