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Colby

↑ Rising

Mostly a boy name · 7% girls / 93% boys since 1888

All-time babies

58,155

since 1888

Girls rank, 2025

#2822

60 babies

Boys rank, 2025

#615

455 babies

Peak year (boys)

2001

3,859 babies, #99

Letters

5

2 syllables

Babies named Colby per year

Popularity rank over time

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Names that sound like Colby

Caleb 325,003 babies ever Cliff 9,307 babies ever Calliope 6,098 babies ever Cleve 4,529 babies ever Colbie 4,099 babies ever Clive 3,336 babies ever Cayleb 1,036 babies ever Calob 733 babies ever Colbi 669 babies ever Cleva 561 babies ever Colbey 551 babies ever Calib 515 babies ever