How Many People Are Named Kailo?
An estimated 517 people in the United States have the first name Kailo. It is predominantly male (96.9%). The average bearer is 5 years old, and Kailo peaked in popularity in 2022 with 99 births that year.
Below you will find a full statistical profile of Kailo 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 Kailo paired with any surname.
Estimated Living Americans
517
About 1 in 662,968 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
96.9% confidence
Average Age
5
years old
Peak Year
2022
99 births
Total Registered
520
since 1880
Gender Distribution for Kailo
Kailo is predominantly male (96.9%), though 16 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Kailo as a male name
Ranked #2,242 in 2024
64 male births in 2024
Peak: 2022 (94 births)
Kailo as a female name
Ranked #16,427 in 2022
5 female births in 2022
Peak: 2020 (6 births)
Kailo: Popularity Over Time
SSA records for Kailo span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 421 babies were registered. Kailo remains highly popular today, with recent registration numbers near its historical peak.
Kailo by Decade
How has Kailo 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.
Kailo by State
Birth registrations for Kailo span all 7 states and territories in the SSA database. The highest counts are in California, Florida, Texas. The lowest are in Colorado, Arizona, Ohio. On average, about 25 Kailos were registered per state.
Kailo + Last Name Combinations
How many people share a full name with Kailo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kailo
Other first names starting with K with a similar number of bearers.
Kailo: Questions and Answers
How many people in the U.S. are named Kailo?
We estimate approximately 517 people named Kailo 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 662,968 Americans share this first name.
Is Kailo a common name?
Kailo is classified as "Very Rare" and is more popular than 84.9% of all first names in the SSA database. A total of 520 births have been registered with this name since 1880.
When was Kailo most popular?
Kailo reached peak popularity in 2022, when 99 babies were given this name. The average age of a living person named Kailo is approximately 5 years old, reflecting when the name was most commonly given.
Is Kailo a male name?
Kailo is predominantly male. 96.9% of people with this name are male. See the gender breakdown above for full details.
How many Kailo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kailo Smith, Kailo Johnson, Kailo 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.
Search for a full name combination
How Many of Me