Trend of the Popularity of Theodore 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 509 male babies that were named Theodore in Illinois, which was 1.02% of the total number of male babies born in Illinois in 2024. Between 1980 and 2024, the name Theodore peaked as a male baby name in Illinois in 2024.

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

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

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

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

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Year	Number of Male Babies	Percent of Total Male Babies (%)
1980	69	0.08
1981	65	0.08
1982	70	0.08
1983	44	0.05
1984	57	0.07
1985	65	0.08
1986	75	0.09
1987	77	0.09
1988	67	0.08
1989	87	0.10
1990	75	0.08
1991	61	0.07
1992	59	0.07
1993	59	0.07
1994	71	0.08
1995	51	0.06
1996	56	0.07
1997	57	0.07
1998	70	0.09
1999	49	0.06
2000	54	0.07
2001	53	0.07
2002	48	0.06
2003	57	0.07
2004	61	0.08
2005	55	0.07
2006	52	0.07
2007	58	0.08
2008	61	0.08
2009	63	0.09
2010	88	0.13
2011	75	0.11
2012	105	0.16
2013	116	0.18
2014	166	0.25
2015	222	0.33
2016	283	0.44
2017	328	0.53
2018	348	0.58
2019	422	0.73
2020	402	0.74
2021	437	0.81
2022	473	0.92
2023	482	0.96
2024	509	1.02