Trend of the Popularity of Colby as a Male Baby Name in Illinois

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

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In 2024, there were 15 male babies that were named Colby in Illinois, which was 0.03% of the total number of male babies born in Illinois in 2024. Between 1980 and 2024, the name Colby peaked as a male baby name in Illinois in 2001 with a count of 67 babies, which was 0.08% of the total male babies born in Illinois in 2001.

The first chart below show the trend of the number of male babies in Illinois that were named Colby, and the second chart shows the percent of male babies in Illinois that were named Colby.

Trend of the Number of Male Babies who were Named Colby in Illinois

Trend of the Percentage of Male Babies who were Named Colby in Illinois

The table below below shows the trend of the number of male babies and the percentage of male babies born in Illinois who were named Colby from 1980 to 2024.

Trend of the Popularity of Colby as a Male Baby Name in Illinois

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Year	Number of Male Babies	Percent of Total Male Babies (%)
1980	7	0.01
1982	15	0.02
1983	17	0.02
1984	10	0.01
1985	15	0.02
1986	19	0.02
1987	16	0.02
1988	20	0.02
1989	13	0.02
1990	15	0.02
1991	21	0.02
1992	23	0.03
1993	32	0.04
1994	14	0.02
1995	14	0.02
1996	19	0.02
1997	14	0.02
1998	21	0.03
1999	22	0.03
2000	17	0.02
2001	67	0.08
2002	54	0.07
2003	24	0.03
2004	34	0.04
2005	25	0.03
2006	23	0.03
2007	13	0.02
2008	15	0.02
2009	25	0.03
2010	49	0.07
2011	24	0.04
2012	21	0.03
2013	25	0.04
2014	15	0.02
2015	13	0.02
2016	19	0.03
2017	9	0.02
2018	7	0.01
2019	8	0.01
2020	11	0.02
2021	13	0.02
2022	13	0.03
2023	11	0.02
2024	15	0.03