How Many People Are Named Issai?
An estimated 90 people in the United States have the first name Issai. It is almost exclusively a male name. The average bearer is 21 years old, and Issai peaked in popularity in 2006 with 14 births that year.
Below you will find a full statistical profile of Issai 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 Issai paired with any surname.
Key Insights
- Issai is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
90
About 1 in 3,808,382 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
21
years old
Peak Year
2006
14 births
Total Registered
91
since 1880
Gender Distribution for Issai
Issai is almost exclusively a male name. Out of 91 total births registered, 100.0% were male.
Issai as a male name
Ranked #11,257 in 2016
6 male births in 2016
Peak: 2006 (14 births)
Issai: Popularity Over Time
SSA records for Issai span from the 1990s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 55 babies were registered. While Issai is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Issai by Decade
How has Issai 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.
Issai by State
Issai + Last Name Combinations
How many people share a full name with Issai as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Issai
Other first names starting with I with a similar number of bearers.
Issai: Questions and Answers
How many people in the U.S. are named Issai?
We estimate approximately 90 people named Issai 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 3,808,382 Americans share this first name.
Is Issai a common name?
Issai is classified as "Very Rare" and is more popular than 63% of all first names in the SSA database. A total of 91 births have been registered with this name since 1880.
When was Issai most popular?
Issai reached peak popularity in 2006, when 14 babies were given this name. The average age of a living person named Issai is approximately 21 years old, reflecting when the name was most commonly given.
Is Issai a male name?
Issai is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Issai Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Issai Smith, Issai Johnson, Issai 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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