How Many People Are Named Kailani?
An estimated 11,508 people in the United States have the first name Kailani. It is almost exclusively a female name. The average bearer is 8 years old, and Kailani peaked in popularity in 2022 with 1,357 births that year.
Below you will find a full statistical profile of Kailani 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 Kailani paired with any surname.
Key Insights
- Kailani is a modern name. With an average bearer age of just 8, it has gained most of its popularity in recent years.
Estimated Living Americans
11,508
About 1 in 29,784 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.6% confidence
Average Age
8
years old
Peak Year
2022
1,357 births
Total Registered
11,598
since 1880
Gender Distribution for Kailani
Kailani is almost exclusively a female name. Out of 11,598 total births registered, 99.6% were female.
Kailani as a male name
Ranked #9,330 in 2023
8 male births in 2023
Peak: 2022 (8 births)
Kailani as a female name
Ranked #275 in 2024
1,141 female births in 2024
Peak: 2022 (1,349 births)
Kailani: Popularity Over Time
SSA records for Kailani span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2020s, when 6,101 babies were registered. Kailani remains highly popular today, with recent registration numbers near its historical peak.
Kailani by Decade
How has Kailani 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.
Kailani by State
Birth registrations for Kailani span all 43 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in South Dakota, Rhode Island, District of Columbia. On average, about 242 Kailanis were registered per state.
Kailani + Last Name Combinations
How many people share a full name with Kailani as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kailani
Other first names starting with K with a similar number of bearers.
Kailani: Questions and Answers
How many people in the U.S. are named Kailani?
We estimate approximately 11,508 people named Kailani 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 29,784 Americans share this first name.
Is Kailani a common name?
Kailani is classified as "Uncommon" and is more popular than 97.9% of all first names in the SSA database. A total of 11,598 births have been registered with this name since 1880.
When was Kailani most popular?
Kailani reached peak popularity in 2022, when 1,357 babies were given this name. The average age of a living person named Kailani is approximately 8 years old, reflecting when the name was most commonly given.
Is Kailani a female name?
Kailani is predominantly female. 99.6% of people with this name are female. See the gender breakdown above for full details.
How many Kailani Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kailani Smith, Kailani Johnson, Kailani 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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