How Common is the First Name Colby?
We estimate that there are 55,910 people named Colby who are currently alive and were born in the United States. Colby is the 408th most common for men, and the 848th most common overall.
How Old are People Named Colby?
The average person named Colby is 25.01 years old.
Is Colby a Popular Baby Name Right Now?
538 people named Colby were born in the U.S. in 2024. It was the 581st most popular name for boys, and the 1,103rd most popular overall.
The popularity of Colby peaked in 2001, when it was the 99th most popular name for baby boys.
Is Colby a Boy's Name or a Girl's Name?
Colby is mostly a male name, but there are some women named Colby. 92.8% of people named Colby are male, while 7.2% are female.
Popularity of Colby in England
In 2020, Colby was the 289th most popular name for boys in England and Wales.