How Many People Are Named Coby?
An estimated 9,457 people in the United States have the first name Coby. It is predominantly male (96.1%). The average bearer is 28 years old, and Coby peaked in popularity in 2001 with 522 births that year.
Below you will find a full statistical profile of Coby 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 Coby paired with any surname.
Key Insights
- While Coby is overwhelmingly male, 381 female births have been registered with this name since 1880.
Estimated Living Americans
9,457
About 1 in 36,243 people in the U.S.
Rarity
Rare
Predicted Gender
Male
96.1% confidence
Average Age
28
years old
Peak Year
2001
522 births
Total Registered
9,778
since 1880
Gender Distribution for Coby
Coby is predominantly male (96.1%), though 381 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Coby as a male name
Ranked #1,590 in 2024
108 male births in 2024
Peak: 2001 (516 births)
Coby as a female name
Ranked #13,864 in 2021
6 female births in 2021
Peak: 1974 (22 births)
Coby: Popularity Over Time
SSA records for Coby span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 3,289 babies were registered. Coby has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Coby by Decade
How has Coby 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.
Coby by State
Birth registrations for Coby span all 41 states and territories in the SSA database. The highest counts are in Texas, California, Louisiana. The lowest are in West Virginia, South Dakota, Nevada. On average, about 154 Cobys were registered per state.
Coby + Last Name Combinations
How many people share a full name with Coby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Coby
Other first names starting with C with a similar number of bearers.
Coby: Questions and Answers
How many people in the U.S. are named Coby?
We estimate approximately 9,457 people named Coby 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 36,243 Americans share this first name.
Is Coby a common name?
Coby is classified as "Rare" and is more popular than 97.6% of all first names in the SSA database. A total of 9,778 births have been registered with this name since 1880.
When was Coby most popular?
Coby reached peak popularity in 2001, when 522 babies were given this name. The average age of a living person named Coby is approximately 28 years old, reflecting when the name was most commonly given.
Is Coby a male name?
Coby is predominantly male. 96.1% of people with this name are male. See the gender breakdown above for full details.
How many Coby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Coby Smith, Coby Johnson, Coby 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