How Many People Are Named Isiaih?
An estimated 184 people in the United States have the first name Isiaih. It is almost exclusively a male name. The average bearer is 25 years old, and Isiaih peaked in popularity in 2004 with 18 births that year.
Below you will find a full statistical profile of Isiaih 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 Isiaih paired with any surname.
Estimated Living Americans
184
About 1 in 1,862,795 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
25
years old
Peak Year
2004
18 births
Total Registered
187
since 1880
Gender Distribution for Isiaih
Isiaih is almost exclusively a male name. Out of 187 total births registered, 100.0% were male.
Isiaih as a male name
Ranked #13,001 in 2010
5 male births in 2010
Peak: 2004 (18 births)
Isiaih: Popularity Over Time
SSA records for Isiaih span from the 1990s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 120 babies were registered. Isiaih has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Isiaih by Decade
How has Isiaih 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.
Isiaih + Last Name Combinations
How many people share a full name with Isiaih as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Isiaih
Other first names starting with I with a similar number of bearers.
Isiaih: Questions and Answers
How many people in the U.S. are named Isiaih?
We estimate approximately 184 people named Isiaih 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 1,862,795 Americans share this first name.
Is Isiaih a common name?
Isiaih is classified as "Very Rare" and is more popular than 73.1% of all first names in the SSA database. A total of 187 births have been registered with this name since 1880.
When was Isiaih most popular?
Isiaih reached peak popularity in 2004, when 18 babies were given this name. The average age of a living person named Isiaih is approximately 25 years old, reflecting when the name was most commonly given.
Is Isiaih a male name?
Isiaih is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Isiaih Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Isiaih Smith, Isiaih Johnson, Isiaih 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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