How Many People Are Named Kaylei?
An estimated 2,088 people in the United States have the first name Kaylei. It is almost exclusively a female name. The average bearer is 18 years old, and Kaylei peaked in popularity in 2007 with 128 births that year.
Below you will find a full statistical profile of Kaylei 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 Kaylei paired with any surname.
Estimated Living Americans
2,088
About 1 in 164,154 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
18
years old
Peak Year
2007
128 births
Total Registered
2,118
since 1880
Gender Distribution for Kaylei
Kaylei is almost exclusively a female name. Out of 2,118 total births registered, 100.0% were female.
Kaylei as a female name
Ranked #5,506 in 2024
23 female births in 2024
Peak: 2007 (128 births)
Kaylei: Popularity Over Time
SSA records for Kaylei span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 1,015 babies were registered. Kaylei has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaylei by Decade
How has Kaylei 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.
Kaylei by State
Birth registrations for Kaylei span all 23 states and territories in the SSA database. The highest counts are in Texas, California, Georgia. The lowest are in Washington, Maryland, Kentucky. On average, about 32 Kayleis were registered per state.
Kaylei + Last Name Combinations
How many people share a full name with Kaylei as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaylei
Other first names starting with K with a similar number of bearers.
Kaylei: Questions and Answers
How many people in the U.S. are named Kaylei?
We estimate approximately 2,088 people named Kaylei 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 164,154 Americans share this first name.
Is Kaylei a common name?
Kaylei is classified as "Rare" and is more popular than 93.9% of all first names in the SSA database. A total of 2,118 births have been registered with this name since 1880.
When was Kaylei most popular?
Kaylei reached peak popularity in 2007, when 128 babies were given this name. The average age of a living person named Kaylei is approximately 18 years old, reflecting when the name was most commonly given.
Is Kaylei a female name?
Kaylei is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kaylei Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaylei Smith, Kaylei Johnson, Kaylei 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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