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

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

See similar for other states, and the United States.

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In 2024, there were 357 male babies that were named William in Illinois, which was 0.71% of the total number of male babies born in Illinois in 2024. Between 1980 and 2024, the name William peaked as a male baby name in Illinois in 1980 with a count of 1,156 babies, which was 1.34% of the total male babies born in Illinois in 1980.

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

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

Trend of the Percentage of Male Babies who were Named William 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 William from 1980 to 2024.

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

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Year	Number of Male Babies	Percent of Total Male Babies (%)
1980	1156	1.34
1981	1147	1.36
1982	1101	1.31
1983	992	1.21
1984	1044	1.27
1985	889	1.08
1986	908	1.14
1987	944	1.16
1988	872	1.05
1989	972	1.12
1990	980	1.10
1991	961	1.10
1992	903	1.05
1993	909	1.06
1994	783	0.93
1995	731	0.89
1996	794	0.98
1997	744	0.93
1998	743	0.93
1999	784	0.98
2000	749	0.93
2001	824	1.03
2002	797	1.02
2003	765	0.97
2004	812	1.04
2005	753	0.98
2006	717	0.93
2007	752	0.97
2008	707	0.95
2009	693	0.96
2010	675	0.97
2011	698	1.03
2012	643	0.97
2013	667	1.01
2014	687	1.03
2015	618	0.93
2016	633	0.99
2017	549	0.89
2018	532	0.89
2019	491	0.85
2020	464	0.85
2021	422	0.78
2022	409	0.79
2023	348	0.69
2024	357	0.71