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Colby
BoyMeaning of Colby: Norse: 'coal farm'
Colby is a boy's name most strongly associated with English naming. It has 5 letters and 2 syllables, and it is one of today's most-chosen names — 582nd most popular boys' name in the United States in 2025 and 222nd in England & Wales.
US rank 2025
#582
515 babies in 2025
England & Wales 2024
#222
220 babies in 2024
US babies since 1880
58,155
First recorded 1888 · peak 2001
Trend
stable
Style: popular
Popularity over time
Gender split
93% boys · 7% girls, based on US, UK and international usage.
Origins & cultures
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