How Many People Are Named Kaileb?
An estimated 773 people in the United States have the first name Kaileb. It is almost exclusively a male name. The average bearer is 17 years old, and Kaileb peaked in popularity in 2009 with 60 births that year.
Below you will find a full statistical profile of Kaileb 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 Kaileb paired with any surname.
Estimated Living Americans
773
About 1 in 443,408 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
17
years old
Peak Year
2009
60 births
Total Registered
782
since 1880
Gender Distribution for Kaileb
Kaileb is almost exclusively a male name. Out of 782 total births registered, 100.0% were male.
Kaileb as a male name
Ranked #10,349 in 2024
7 male births in 2024
Peak: 2009 (60 births)
Kaileb: Popularity Over Time
SSA records for Kaileb span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 327 babies were registered. Kaileb has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaileb by Decade
How has Kaileb 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.
Kaileb by State
Birth registrations for Kaileb span all 6 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Ohio, New York, Georgia. On average, about 9 Kailebs were registered per state.
Kaileb + Last Name Combinations
How many people share a full name with Kaileb as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaileb
Other first names starting with K with a similar number of bearers.
Kaileb: Questions and Answers
How many people in the U.S. are named Kaileb?
We estimate approximately 773 people named Kaileb 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 443,408 Americans share this first name.
Is Kaileb a common name?
Kaileb is classified as "Very Rare" and is more popular than 88.3% of all first names in the SSA database. A total of 782 births have been registered with this name since 1880.
When was Kaileb most popular?
Kaileb reached peak popularity in 2009, when 60 babies were given this name. The average age of a living person named Kaileb is approximately 17 years old, reflecting when the name was most commonly given.
Is Kaileb a male name?
Kaileb is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Kaileb Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaileb Smith, Kaileb Johnson, Kaileb 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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