How Many People Are Named Leinani?
An estimated 136 people in the United States have the first name Leinani. It is almost exclusively a female name. The average bearer is 17 years old, and Leinani peaked in popularity in 2018 with 19 births that year.
Below you will find a full statistical profile of Leinani 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 Leinani paired with any surname.
Estimated Living Americans
136
About 1 in 2,520,252 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2018
19 births
Total Registered
139
since 1880
Gender Distribution for Leinani
Leinani is almost exclusively a female name. Out of 139 total births registered, 100.0% were female.
Leinani as a female name
Ranked #9,928 in 2024
10 female births in 2024
Peak: 2018 (19 births)
Leinani: Popularity Over Time
SSA records for Leinani span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 50 babies were registered. While Leinani is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Leinani by Decade
How has Leinani 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.
Leinani + Last Name Combinations
How many people share a full name with Leinani as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Leinani
Other first names starting with L with a similar number of bearers.
Leinani: Questions and Answers
How many people in the U.S. are named Leinani?
We estimate approximately 136 people named Leinani 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 2,520,252 Americans share this first name.
Is Leinani a common name?
Leinani is classified as "Very Rare" and is more popular than 68.9% of all first names in the SSA database. A total of 139 births have been registered with this name since 1880.
When was Leinani most popular?
Leinani reached peak popularity in 2018, when 19 babies were given this name. The average age of a living person named Leinani is approximately 17 years old, reflecting when the name was most commonly given.
Is Leinani a female name?
Leinani is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Leinani Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Leinani Smith, Leinani Johnson, Leinani 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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