Trend of the Popularity of Sydney as a Female Baby Name in Illinois

Updated on December 6, 2025.

Data Source: Social Security Administration (SSA).

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In 2024, there were 39 female babies that were named Sydney in Illinois, which was 0.09% of the total number of female babies born in Illinois in 2024. Between 1981 and 2024, the name Sydney peaked as a female baby name in Illinois in 1999 with a count of 470 babies, which was 0.67% of the total female babies born in Illinois in 1999.

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

Trend of the Number of Female Babies who were Named Sydney in Illinois

Trend of the Percentage of Female Babies who were Named Sydney in Illinois

The table below below shows the trend of the number of female babies and the percentage of female babies born in Illinois who were named Sydney from 1981 to 2024.

Trend of the Popularity of Sydney as a Female Baby Name in Illinois

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Year	Number of Female Babies	Percent of Total Female Babies (%)
1981	8	0.01
1982	6	0.01
1983	7	0.01
1984	14	0.02
1985	20	0.03
1986	29	0.04
1987	20	0.03
1988	30	0.04
1989	64	0.08
1990	79	0.10
1991	93	0.12
1992	125	0.17
1993	104	0.14
1994	212	0.29
1995	343	0.47
1996	346	0.48
1997	344	0.49
1998	375	0.53
1999	470	0.67
2000	459	0.64
2001	437	0.62
2002	391	0.57
2003	342	0.49
2004	364	0.53
2005	291	0.43
2006	282	0.41
2007	244	0.36
2008	211	0.32
2009	226	0.36
2010	183	0.30
2011	160	0.27
2012	126	0.21
2013	137	0.24
2014	105	0.18
2015	100	0.17
2016	104	0.18
2017	79	0.14
2018	85	0.16
2019	78	0.15
2020	57	0.12
2021	45	0.09
2022	48	0.10
2023	31	0.07
2024	39	0.09