How Many People Are Named Issaac?
An estimated 169 people in the United States have the first name Issaac. It is almost exclusively a male name. The average bearer is 29 years old, and Issaac peaked in popularity in 1983 with 11 births that year.
Below you will find a full statistical profile of Issaac 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 Issaac paired with any surname.
Estimated Living Americans
169
About 1 in 2,028,132 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
29
years old
Peak Year
1983
11 births
Total Registered
173
since 1880
Gender Distribution for Issaac
Issaac is almost exclusively a male name. Out of 173 total births registered, 100.0% were male.
Issaac as a male name
Ranked #13,096 in 2022
5 male births in 2022
Peak: 1983 (11 births)
Issaac: Popularity Over Time
SSA records for Issaac span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 54 babies were registered. Issaac has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Issaac by Decade
How has Issaac 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.
Issaac + Last Name Combinations
How many people share a full name with Issaac as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Issaac
Other first names starting with I with a similar number of bearers.
Issaac: Questions and Answers
How many people in the U.S. are named Issaac?
We estimate approximately 169 people named Issaac 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 2,028,132 Americans share this first name.
Is Issaac a common name?
Issaac is classified as "Very Rare" and is more popular than 72% of all first names in the SSA database. A total of 173 births have been registered with this name since 1880.
When was Issaac most popular?
Issaac reached peak popularity in 1983, when 11 babies were given this name. The average age of a living person named Issaac is approximately 29 years old, reflecting when the name was most commonly given.
Is Issaac a male name?
Issaac is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Issaac Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Issaac Smith, Issaac Johnson, Issaac 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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