How Many People Are Named Inis?
An estimated 82 people in the United States have the first name Inis. It is almost exclusively a female name. The average bearer is 84 years old, and Inis peaked in popularity in 1920 with 32 births that year.
Below you will find a full statistical profile of Inis 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 Inis paired with any surname.
Key Insights
- With an average bearer age of 84, Inis is a vintage name most associated with earlier generations. Most living bearers were born before 1952.
- Inis is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
82
About 1 in 4,179,931 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
84
years old
Peak Year
1920
32 births
Total Registered
691
since 1880
Gender Distribution for Inis
Inis is almost exclusively a female name. Out of 691 total births registered, 100.0% were female.
Inis as a female name
Ranked #5,545 in 1956
6 female births in 1956
Peak: 1920 (32 births)
Inis: Popularity Over Time
SSA records for Inis span from the 1890s to the 1950s, covering 7 decades of naming data. The most popular decade for this name was the 1920s, when 213 babies were registered. Inis has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Inis by Decade
How has Inis 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.
Inis by State
Birth registrations for Inis span all 6 states and territories in the SSA database. The highest counts are in Kentucky, Missouri, Arkansas. The lowest are in Virginia, Tennessee, Oklahoma. On average, about 15 Iniss were registered per state.
Inis + Last Name Combinations
How many people share a full name with Inis as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Inis
Other first names starting with I with a similar number of bearers.
Inis: Questions and Answers
How many people in the U.S. are named Inis?
We estimate approximately 82 people named Inis 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 4,179,931 Americans share this first name.
Is Inis a common name?
Inis is classified as "Very Rare" and is more popular than 61.6% of all first names in the SSA database. A total of 691 births have been registered with this name since 1880.
When was Inis most popular?
Inis reached peak popularity in 1920, when 32 babies were given this name. The average age of a living person named Inis is approximately 84 years old, reflecting when the name was most commonly given.
Is Inis a female name?
Inis is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Inis Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Inis Smith, Inis Johnson, Inis 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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