How Many People Are Named Kolleen?
An estimated 858 people in the United States have the first name Kolleen. It is almost exclusively a female name. The average bearer is 53 years old, and Kolleen peaked in popularity in 1962 with 48 births that year.
Below you will find a full statistical profile of Kolleen 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 Kolleen paired with any surname.
Estimated Living Americans
858
About 1 in 399,481 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
53
years old
Peak Year
1962
48 births
Total Registered
1,016
since 1880
Gender Distribution for Kolleen
Kolleen is almost exclusively a female name. Out of 1,016 total births registered, 100.0% were female.
Kolleen as a female name
Ranked #18,293 in 2011
5 female births in 2011
Peak: 1962 (48 births)
Kolleen: Popularity Over Time
SSA records for Kolleen span from the 1940s to the 2010s, covering 8 decades of naming data. The most popular decade for this name was the 1960s, when 326 babies were registered. Kolleen has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Kolleen by Decade
How has Kolleen 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.
Kolleen by State
Birth registrations for Kolleen span all 6 states and territories in the SSA database. The highest counts are in California, Michigan, New York. The lowest are in Wisconsin, Washington, Illinois. On average, about 18 Kolleens were registered per state.
Kolleen + Last Name Combinations
How many people share a full name with Kolleen as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kolleen
Other first names starting with K with a similar number of bearers.
Kolleen: Questions and Answers
How many people in the U.S. are named Kolleen?
We estimate approximately 858 people named Kolleen 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 399,481 Americans share this first name.
Is Kolleen a common name?
Kolleen is classified as "Very Rare" and is more popular than 89.1% of all first names in the SSA database. A total of 1,016 births have been registered with this name since 1880.
When was Kolleen most popular?
Kolleen reached peak popularity in 1962, when 48 babies were given this name. The average age of a living person named Kolleen is approximately 53 years old, reflecting when the name was most commonly given.
Is Kolleen a female name?
Kolleen is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kolleen Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kolleen Smith, Kolleen Johnson, Kolleen 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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