How Many People Are Named Kadyn?
An estimated 4,634 people in the United States have the first name Kadyn. It is used for both genders, with 69.5% male. The average bearer is 16 years old, and Kadyn peaked in popularity in 2009 with 371 births that year.
Below you will find a full statistical profile of Kadyn 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 Kadyn paired with any surname.
Key Insights
- Kadyn is a modern name. With an average bearer age of just 16, it has gained most of its popularity in recent years.
Estimated Living Americans
4,634
About 1 in 73,965 people in the U.S.
Rarity
Rare
Predicted Gender
Male
69.5% confidence
Average Age
16
years old
Peak Year
2009
371 births
Total Registered
4,683
since 1880
Gender Distribution for Kadyn
Kadyn is a genuinely unisex name, used for both males (69.5%) and females (30.5%). Out of 4,683 total births registered, 3,254 were male and 1,429 were female.
Kadyn as a male name
Ranked #2,348 in 2024
60 male births in 2024
Peak: 2009 (259 births)
Kadyn as a female name
Ranked #14,243 in 2024
6 female births in 2024
Peak: 2008 (144 births)
Kadyn: Popularity Over Time
SSA records for Kadyn span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 2,375 babies were registered. Kadyn has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kadyn by Decade
How has Kadyn 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.
Kadyn by State
Birth registrations for Kadyn span all 36 states and territories in the SSA database. The highest counts are in Texas, California, Florida. The lowest are in Nevada, New Hampshire, Maryland. On average, about 65 Kadyns were registered per state.
Kadyn + Last Name Combinations
How many people share a full name with Kadyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kadyn
Other first names starting with K with a similar number of bearers.
Kadyn: Questions and Answers
How many people in the U.S. are named Kadyn?
We estimate approximately 4,634 people named Kadyn 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 73,965 Americans share this first name.
Is Kadyn a common name?
Kadyn is classified as "Rare" and is more popular than 96.4% of all first names in the SSA database. A total of 4,683 births have been registered with this name since 1880.
When was Kadyn most popular?
Kadyn reached peak popularity in 2009, when 371 babies were given this name. The average age of a living person named Kadyn is approximately 16 years old, reflecting when the name was most commonly given.
Is Kadyn a male name?
Kadyn is predominantly male. 69.5% of people with this name are male. See the gender breakdown above for full details.
How many Kadyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kadyn Smith, Kadyn Johnson, Kadyn 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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