The name Colby is a girl's name of English origin meaning "from a coal town".

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One of the first reality show-inspired names (he was a Texas hunk on an early season of "Survivor"); hugely trendy for boys but just starting for girls. 

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Colby

English

The name Colby peaked for girls at #1031 in 1985. The name is most popular in COLBY, COLBY, and COLBY. Colby is also used for boys, ranking #615 in 2025.

The name Colby is a boy's name of English origin meaning "coal town".

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Combining the sounds of Colton and Toby, Colby has been in the US Top 1000 since the 70s. It peaked in 2021, entering the Top 100 thanks to Colby Davidson's appearance on reality TV show, Survivor that same year. Currently on the rise in the UK, in the US, its popularity has been shaky, dipping one year, rising the next. Given to around 490 boys in 2024, it is also chosen for around 50 girls each year.
 
Derived from an English surname and place name, it is made up of the Old Norse elements koli and býr meaning "coal settlement". It could work as a fresh way to honor a Colin or a Nicole.

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The name Colby is currently ranked #615 in U.S. births. and peaked for boys at #99 in 2001. The name is most popular in COLBY, COLBY, and COLBY. Colby is occasionally used for girls in 2025.

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Colby

Colby Rank in US Top 1000

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