How Many People Are Named Isaack?
An estimated 135 people in the United States have the first name Isaack. It is almost exclusively a male name. The average bearer is 17 years old, and Isaack peaked in popularity in 2004 with 13 births that year.
Below you will find a full statistical profile of Isaack as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Isaack paired with any surname.
Estimated Living Americans
135
About 1 in 2,538,921 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
17
years old
Peak Year
2004
13 births
Total Registered
136
since 1880
Gender Distribution for Isaack
Isaack is almost exclusively a male name. Out of 136 total births registered, 100.0% were male.
Isaack as a male name
Ranked #12,811 in 2020
5 male births in 2020
Peak: 2004 (13 births)
Isaack: Popularity Over Time
SSA records for Isaack span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 69 babies were registered. Isaack has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Isaack by Decade
How has Isaack tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Isaack by State
Isaack + Last Name Combinations
How many people share a full name with Isaack as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isaack
Other first names starting with I with a similar number of bearers.
Isaack: Questions and Answers
How many people in the U.S. are named Isaack?
We estimate approximately 135 people named Isaack are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 2,538,921 Americans share this first name.
Is Isaack a common name?
Isaack is classified as "Very Rare" and is more popular than 68.8% of all first names in the SSA database. A total of 136 births have been registered with this name since 1880.
When was Isaack most popular?
Isaack reached peak popularity in 2004, when 13 babies were given this name. The average age of a living person named Isaack is approximately 17 years old, reflecting when the name was most commonly given.
Is Isaack a male name?
Isaack is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Isaack Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isaack Smith, Isaack Johnson, Isaack Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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