How Many People Are Named Isayah?
An estimated 772 people in the United States have the first name Isayah. It is almost exclusively a male name. The average bearer is 17 years old, and Isayah peaked in popularity in 2007 with 46 births that year.
Below you will find a full statistical profile of Isayah 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 Isayah paired with any surname.
Estimated Living Americans
772
About 1 in 443,982 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
17
years old
Peak Year
2007
46 births
Total Registered
781
since 1880
Gender Distribution for Isayah
Isayah is almost exclusively a male name. Out of 781 total births registered, 100.0% were male.
Isayah as a male name
Ranked #7,410 in 2024
11 male births in 2024
Peak: 2007 (46 births)
Isayah: Popularity Over Time
SSA records for Isayah span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 372 babies were registered. Isayah has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Isayah by Decade
How has Isayah 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.
Isayah by State
Birth registrations for Isayah span all 4 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Florida, New York, Texas. On average, about 28 Isayahs were registered per state.
Isayah + Last Name Combinations
How many people share a full name with Isayah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isayah
Other first names starting with I with a similar number of bearers.
Isayah: Questions and Answers
How many people in the U.S. are named Isayah?
We estimate approximately 772 people named Isayah 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 443,982 Americans share this first name.
Is Isayah a common name?
Isayah is classified as "Very Rare" and is more popular than 88.3% of all first names in the SSA database. A total of 781 births have been registered with this name since 1880.
When was Isayah most popular?
Isayah reached peak popularity in 2007, when 46 babies were given this name. The average age of a living person named Isayah is approximately 17 years old, reflecting when the name was most commonly given.
Is Isayah a male name?
Isayah is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Isayah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isayah Smith, Isayah Johnson, Isayah 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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