How Many People Are Named Hiilani?
An estimated 122 people in the United States have the first name Hiilani. It is almost exclusively a female name. The average bearer is 18 years old, and Hiilani peaked in popularity in 2016 with 11 births that year.
Below you will find a full statistical profile of Hiilani 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 Hiilani paired with any surname.
Estimated Living Americans
122
About 1 in 2,809,462 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
18
years old
Peak Year
2016
11 births
Total Registered
124
since 1880
Gender Distribution for Hiilani
Hiilani is almost exclusively a female name. Out of 124 total births registered, 100.0% were female.
Hiilani as a female name
Ranked #12,683 in 2021
7 female births in 2021
Peak: 2016 (11 births)
Hiilani: Popularity Over Time
SSA records for Hiilani span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 53 babies were registered. Hiilani has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Hiilani by Decade
How has Hiilani 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.
Hiilani by State
Hiilani + Last Name Combinations
How many people share a full name with Hiilani as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hiilani
Other first names starting with H with a similar number of bearers.
Hiilani: Questions and Answers
How many people in the U.S. are named Hiilani?
We estimate approximately 122 people named Hiilani 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 2,809,462 Americans share this first name.
Is Hiilani a common name?
Hiilani is classified as "Very Rare" and is more popular than 67.4% of all first names in the SSA database. A total of 124 births have been registered with this name since 1880.
When was Hiilani most popular?
Hiilani reached peak popularity in 2016, when 11 babies were given this name. The average age of a living person named Hiilani is approximately 18 years old, reflecting when the name was most commonly given.
Is Hiilani a female name?
Hiilani is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Hiilani Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hiilani Smith, Hiilani Johnson, Hiilani 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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