How Many People Are Named Kaylin?
An estimated 19,417 people in the United States have the first name Kaylin. It is predominantly female (96.9%). The average bearer is 21 years old, and Kaylin peaked in popularity in 2007 with 894 births that year.
Below you will find a full statistical profile of Kaylin 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 Kaylin paired with any surname.
Key Insights
- While Kaylin is overwhelmingly female, 620 male births have been registered with this name since 1880.
Estimated Living Americans
19,417
About 1 in 17,652 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
96.9% confidence
Average Age
21
years old
Peak Year
2007
894 births
Total Registered
19,798
since 1880
Gender Distribution for Kaylin
Kaylin is predominantly female (96.9%), though 620 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Kaylin as a male name
Ranked #9,401 in 2024
8 male births in 2024
Peak: 2012 (30 births)
Kaylin as a female name
Ranked #1,429 in 2024
155 female births in 2024
Peak: 2008 (869 births)
Kaylin: Popularity Over Time
SSA records for Kaylin span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 7,560 babies were registered. Kaylin has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaylin by Decade
How has Kaylin 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.
Kaylin by State
Birth registrations for Kaylin span all 43 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in New Hampshire, Rhode Island, New Mexico. On average, about 399 Kaylins were registered per state.
Kaylin + Last Name Combinations
How many people share a full name with Kaylin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaylin
Other first names starting with K with a similar number of bearers.
Kaylin: Questions and Answers
How many people in the U.S. are named Kaylin?
We estimate approximately 19,417 people named Kaylin 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 17,652 Americans share this first name.
Is Kaylin a common name?
Kaylin is classified as "Uncommon" and is more popular than 98.5% of all first names in the SSA database. A total of 19,798 births have been registered with this name since 1880.
When was Kaylin most popular?
Kaylin reached peak popularity in 2007, when 894 babies were given this name. The average age of a living person named Kaylin is approximately 21 years old, reflecting when the name was most commonly given.
Is Kaylin a female name?
Kaylin is predominantly female. 96.9% of people with this name are female. See the gender breakdown above for full details.
How many Kaylin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaylin Smith, Kaylin Johnson, Kaylin 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.
Search for a full name combination
How Many of Me