How Many People Are Named Katelyne?
An estimated 535 people in the United States have the first name Katelyne. It is almost exclusively a female name. The average bearer is 27 years old, and Katelyne peaked in popularity in 1993 with 40 births that year.
Below you will find a full statistical profile of Katelyne 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 Katelyne paired with any surname.
Estimated Living Americans
535
About 1 in 640,662 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
27
years old
Peak Year
1993
40 births
Total Registered
549
since 1880
Gender Distribution for Katelyne
Katelyne is almost exclusively a female name. Out of 549 total births registered, 100.0% were female.
Katelyne as a female name
Ranked #17,550 in 2016
5 female births in 2016
Peak: 1993 (40 births)
Katelyne: Popularity Over Time
SSA records for Katelyne span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 275 babies were registered. Katelyne has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Katelyne by Decade
How has Katelyne 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.
Katelyne by State
Birth registrations for Katelyne span all 3 states and territories in the SSA database. The highest counts are in Texas, California, North Carolina. The lowest are in North Carolina, California, Texas. On average, about 7 Katelynes were registered per state.
Katelyne + Last Name Combinations
How many people share a full name with Katelyne as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Katelyne
Other first names starting with K with a similar number of bearers.
Katelyne: Questions and Answers
How many people in the U.S. are named Katelyne?
We estimate approximately 535 people named Katelyne 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 640,662 Americans share this first name.
Is Katelyne a common name?
Katelyne is classified as "Very Rare" and is more popular than 85.2% of all first names in the SSA database. A total of 549 births have been registered with this name since 1880.
When was Katelyne most popular?
Katelyne reached peak popularity in 1993, when 40 babies were given this name. The average age of a living person named Katelyne is approximately 27 years old, reflecting when the name was most commonly given.
Is Katelyne a female name?
Katelyne is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Katelyne Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Katelyne Smith, Katelyne Johnson, Katelyne 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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