How Many People Are Named Kail?
An estimated 631 people in the United States have the first name Kail. It is predominantly male (94.4%). The average bearer is 21 years old, and Kail peaked in popularity in 2008 with 44 births that year.
Below you will find a full statistical profile of Kail 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 Kail paired with any surname.
Estimated Living Americans
631
About 1 in 543,192 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
94.4% confidence
Average Age
21
years old
Peak Year
2008
44 births
Total Registered
642
since 1880
Gender Distribution for Kail
Kail is predominantly male (94.4%), though 36 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Kail as a male name
Ranked #13,181 in 2024
5 male births in 2024
Peak: 2008 (37 births)
Kail as a female name
Ranked #13,020 in 2009
8 female births in 2009
Peak: 2007 (10 births)
Kail: Popularity Over Time
SSA records for Kail span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2000s, when 278 babies were registered. Kail has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kail by Decade
How has Kail 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.
Kail by State
Kail + Last Name Combinations
How many people share a full name with Kail as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kail
Other first names starting with K with a similar number of bearers.
Kail: Questions and Answers
How many people in the U.S. are named Kail?
We estimate approximately 631 people named Kail 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 543,192 Americans share this first name.
Is Kail a common name?
Kail is classified as "Very Rare" and is more popular than 86.7% of all first names in the SSA database. A total of 642 births have been registered with this name since 1880.
When was Kail most popular?
Kail reached peak popularity in 2008, when 44 babies were given this name. The average age of a living person named Kail is approximately 21 years old, reflecting when the name was most commonly given.
Is Kail a male name?
Kail is predominantly male. 94.4% of people with this name are male. See the gender breakdown above for full details.
How many Kail Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kail Smith, Kail Johnson, Kail 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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