How Many People Are Named Kailee?
An estimated 12,618 people in the United States have the first name Kailee. It is almost exclusively a female name. The average bearer is 21 years old, and Kailee peaked in popularity in 2003 with 584 births that year.
Below you will find a full statistical profile of Kailee 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 Kailee paired with any surname.
Estimated Living Americans
12,618
About 1 in 27,164 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.8% confidence
Average Age
21
years old
Peak Year
2003
584 births
Total Registered
12,851
since 1880
Gender Distribution for Kailee
Kailee is almost exclusively a female name. Out of 12,851 total births registered, 99.8% were female.
Kailee as a male name
Ranked #13,100 in 2019
5 male births in 2019
Peak: 2006 (9 births)
Kailee as a female name
Ranked #1,926 in 2024
103 female births in 2024
Peak: 2003 (584 births)
Kailee: Popularity Over Time
SSA records for Kailee span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 5,169 babies were registered. Kailee has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kailee by Decade
How has Kailee 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.
Kailee by State
Birth registrations for Kailee span all 45 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Wyoming, South Dakota, North Dakota. On average, about 245 Kailees were registered per state.
Kailee + Last Name Combinations
How many people share a full name with Kailee as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kailee
Other first names starting with K with a similar number of bearers.
Kailee: Questions and Answers
How many people in the U.S. are named Kailee?
We estimate approximately 12,618 people named Kailee 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 27,164 Americans share this first name.
Is Kailee a common name?
Kailee is classified as "Uncommon" and is more popular than 98% of all first names in the SSA database. A total of 12,851 births have been registered with this name since 1880.
When was Kailee most popular?
Kailee reached peak popularity in 2003, when 584 babies were given this name. The average age of a living person named Kailee is approximately 21 years old, reflecting when the name was most commonly given.
Is Kailee a female name?
Kailee is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Kailee Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kailee Smith, Kailee Johnson, Kailee 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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