How Many People Are Named Kolbey?
An estimated 255 people in the United States have the first name Kolbey. It is predominantly male (91.5%). The average bearer is 23 years old, and Kolbey peaked in popularity in 2003 with 20 births that year.
Below you will find a full statistical profile of Kolbey 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 Kolbey paired with any surname.
Estimated Living Americans
255
About 1 in 1,344,135 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
91.5% confidence
Average Age
23
years old
Peak Year
2003
20 births
Total Registered
259
since 1880
Gender Distribution for Kolbey
Kolbey is predominantly male (91.5%), though 22 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Kolbey as a male name
Ranked #11,559 in 2017
6 male births in 2017
Peak: 2009 (18 births)
Kolbey as a female name
Ranked #18,292 in 2011
5 female births in 2011
Peak: 1999 (7 births)
Kolbey: Popularity Over Time
SSA records for Kolbey span from the 1990s to the 2010s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 126 babies were registered. While Kolbey is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Kolbey by Decade
How has Kolbey 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.
Kolbey + Last Name Combinations
How many people share a full name with Kolbey as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kolbey
Other first names starting with K with a similar number of bearers.
Kolbey: Questions and Answers
How many people in the U.S. are named Kolbey?
We estimate approximately 255 people named Kolbey 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 1,344,135 Americans share this first name.
Is Kolbey a common name?
Kolbey is classified as "Very Rare" and is more popular than 77.3% of all first names in the SSA database. A total of 259 births have been registered with this name since 1880.
When was Kolbey most popular?
Kolbey reached peak popularity in 2003, when 20 babies were given this name. The average age of a living person named Kolbey is approximately 23 years old, reflecting when the name was most commonly given.
Is Kolbey a male name?
Kolbey is predominantly male. 91.5% of people with this name are male. See the gender breakdown above for full details.
How many Kolbey Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kolbey Smith, Kolbey Johnson, Kolbey 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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