How Many People Are Named Iah?
An estimated 15 people in the United States have the first name Iah. It is used for both genders, with 66.7% female. The average bearer is 9 years old, and Iah peaked in popularity in 2011 with 5 births that year.
Below you will find a full statistical profile of Iah 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 Iah paired with any surname.
Key Insights
- Iah is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
15
About 1 in 22,850,289 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
66.7% confidence
Average Age
9
years old
Peak Year
2011
5 births
Total Registered
15
since 1880
Gender Distribution for Iah
Iah is a genuinely unisex name, used for both males (33.3%) and females (66.7%). Out of 15 total births registered, 5 were male and 10 were female.
Iah as a male name
Ranked #13,062 in 2022
5 male births in 2022
Peak: 2022 (5 births)
Iah as a female name
Ranked #16,449 in 2019
5 female births in 2019
Peak: 2011 (5 births)
Iah: Popularity Over Time
SSA records for Iah span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 10 babies were registered. While Iah is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Iah by Decade
How has Iah 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.
Iah + Last Name Combinations
How many people share a full name with Iah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Iah
Other first names starting with I with a similar number of bearers.
Iah: Questions and Answers
How many people in the U.S. are named Iah?
We estimate approximately 15 people named Iah 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 22,850,289 Americans share this first name.
Is Iah a common name?
Iah is classified as "Very Rare" and is more popular than 35.3% of all first names in the SSA database. A total of 15 births have been registered with this name since 1880.
When was Iah most popular?
Iah reached peak popularity in 2011, when 5 babies were given this name. The average age of a living person named Iah is approximately 9 years old, reflecting when the name was most commonly given.
Is Iah a female name?
Iah is predominantly female. 66.7% of people with this name are female. See the gender breakdown above for full details.
How many Iah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Iah Smith, Iah Johnson, Iah 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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