FIRST NAME
Colby
Colby is the 431st most common male first name in the United States, recorded for 45,954 men and boys in the latest Census. It is also given to 3,599 women and girls.
AS A MALE NAME · #431 TODAY
1990 CENSUS
22,384
living · #703
2020 CENSUS
45,954
living · #431
BABIES NAMED COLBY BY BIRTH YEAR · 1888–2025
2025455
As a male name, Colby peaked in 2001, when 3,859 babies were named Colby (the #99 male name that year).
SOURCE: SOCIAL SECURITY ADMINISTRATION (US BIRTHS)
AS A FEMALE NAME · #2,949 TODAY
1990 CENSUS
2,487
living · #4,081
2020 CENSUS
3,599
living · #2,949
BABIES NAMED COLBY BY BIRTH YEAR · 1950–2025
202560
As a female name, Colby peaked in 1992, when 155 babies were named Colby (the #1139 female name that year).
SOURCE: SOCIAL SECURITY ADMINISTRATION (US BIRTHS)