How Many People Are Named Nainoa?
An estimated 591 people in the United States have the first name Nainoa. It is almost exclusively a male name. The average bearer is 19 years old, and Nainoa peaked in popularity in 2002 with 33 births that year.
Below you will find a full statistical profile of Nainoa 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 Nainoa paired with any surname.
Estimated Living Americans
591
About 1 in 579,957 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
19
years old
Peak Year
2002
33 births
Total Registered
599
since 1880
Gender Distribution for Nainoa
Nainoa is almost exclusively a male name. Out of 599 total births registered, 100.0% were male.
Nainoa as a male name
Ranked #4,384 in 2024
24 male births in 2024
Peak: 2002 (33 births)
Nainoa: Popularity Over Time
SSA records for Nainoa span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 231 babies were registered. Nainoa has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Nainoa by Decade
How has Nainoa 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.
Nainoa by State
Nainoa + Last Name Combinations
How many people share a full name with Nainoa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Nainoa
Other first names starting with N with a similar number of bearers.
Nainoa: Questions and Answers
How many people in the U.S. are named Nainoa?
We estimate approximately 591 people named Nainoa 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 579,957 Americans share this first name.
Is Nainoa a common name?
Nainoa is classified as "Very Rare" and is more popular than 86.1% of all first names in the SSA database. A total of 599 births have been registered with this name since 1880.
When was Nainoa most popular?
Nainoa reached peak popularity in 2002, when 33 babies were given this name. The average age of a living person named Nainoa is approximately 19 years old, reflecting when the name was most commonly given.
Is Nainoa a male name?
Nainoa is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Nainoa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Nainoa Smith, Nainoa Johnson, Nainoa 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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