How Many People Are Named Kaitlin?
An estimated 55,510 people in the United States have the first name Kaitlin. It is almost exclusively a female name. The average bearer is 31 years old, and Kaitlin peaked in popularity in 1995 with 3,612 births that year.
Below you will find a full statistical profile of Kaitlin 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 Kaitlin paired with any surname.
Key Insights
- While Kaitlin is overwhelmingly female, 75 male births have been registered with this name since 1880.
- Kaitlin has fallen dramatically from its peak in the 1990s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
55,510
About 1 in 6,175 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.9% confidence
Average Age
31
years old
Peak Year
1995
3,612 births
Total Registered
57,394
since 1880
Gender Distribution for Kaitlin
Kaitlin is almost exclusively a female name. Out of 57,394 total births registered, 99.9% were female.
Kaitlin as a male name
Ranked #12,283 in 2004
5 male births in 2004
Peak: 1989 (11 births)
Kaitlin as a female name
Ranked #5,067 in 2024
26 female births in 2024
Peak: 1995 (3,602 births)
Kaitlin: Popularity Over Time
SSA records for Kaitlin span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 30,852 babies were registered. Kaitlin has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kaitlin by Decade
How has Kaitlin 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.
Kaitlin by State
Birth registrations for Kaitlin span all 51 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Wyoming, District of Columbia, Alaska. On average, about 1,097 Kaitlins were registered per state.
Kaitlin + Last Name Combinations
How many people share a full name with Kaitlin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaitlin
Other first names starting with K with a similar number of bearers.
Kaitlin: Questions and Answers
How many people in the U.S. are named Kaitlin?
We estimate approximately 55,510 people named Kaitlin 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 6,175 Americans share this first name.
Is Kaitlin a common name?
Kaitlin is classified as "Uncommon" and is more popular than 99.2% of all first names in the SSA database. A total of 57,394 births have been registered with this name since 1880.
When was Kaitlin most popular?
Kaitlin reached peak popularity in 1995, when 3,612 babies were given this name. The average age of a living person named Kaitlin is approximately 31 years old, reflecting when the name was most commonly given.
Is Kaitlin a female name?
Kaitlin is predominantly female. 99.9% of people with this name are female. See the gender breakdown above for full details.
How many Kaitlin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaitlin Smith, Kaitlin Johnson, Kaitlin 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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