Trend of the Popularity of Declan 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 102 male babies that were named Declan in Illinois, which was 0.20% of the total number of male babies born in Illinois in 2024. Between 1992 and 2024, the name Declan peaked as a male baby name in Illinois in 2018 with a count of 187 babies, which was 0.31% of the total male babies born in Illinois in 2018.
The first chart below show the trend of the number of male babies in Illinois that were named Declan, and the second chart shows the percent of male babies in Illinois that were named Declan.
Trend of the Number of Male Babies who were Named Declan in Illinois
Trend of the Percentage of Male Babies who were Named Declan 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 Declan from 1992 to 2024.
Trend of the Popularity of Declan as a Male Baby Name in Illinois
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| Year | Number of Male Babies | Percent of Total Male Babies (%) |
|---|---|---|
| 1992 | 6 | 0.01 |
| 1993 | 5 | 0.01 |
| 1994 | 8 | 0.01 |
| 1995 | 7 | 0.01 |
| 1996 | 18 | 0.02 |
| 1997 | 11 | 0.01 |
| 1998 | 19 | 0.02 |
| 1999 | 39 | 0.05 |
| 2000 | 36 | 0.05 |
| 2001 | 42 | 0.05 |
| 2002 | 50 | 0.06 |
| 2003 | 39 | 0.05 |
| 2004 | 53 | 0.07 |
| 2005 | 68 | 0.09 |
| 2006 | 67 | 0.09 |
| 2007 | 66 | 0.09 |
| 2008 | 70 | 0.09 |
| 2009 | 92 | 0.13 |
| 2010 | 83 | 0.12 |
| 2011 | 123 | 0.18 |
| 2012 | 165 | 0.25 |
| 2013 | 183 | 0.28 |
| 2014 | 164 | 0.25 |
| 2015 | 183 | 0.28 |
| 2016 | 155 | 0.24 |
| 2017 | 141 | 0.23 |
| 2018 | 187 | 0.31 |
| 2019 | 173 | 0.30 |
| 2020 | 148 | 0.27 |
| 2021 | 149 | 0.28 |
| 2022 | 128 | 0.25 |
| 2023 | 111 | 0.22 |
| 2024 | 102 | 0.20 |