Trend of the Popularity of Reilly as a Female Baby Name in Illinois
Updated on December 6, 2025.
Data Source: Social Security Administration (SSA).
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In 2021, there were 8 female babies that were named Reilly in Illinois, which was 0.02% of the total number of female babies born in Illinois in 2021. Between 1990 and 2021, the name Reilly peaked as a female baby name in Illinois in 1997 with a count of 27 babies, which was 0.04% of the total female babies born in Illinois in 1997.
The first chart below show the trend of the number of female babies in Illinois that were named Reilly, and the second chart shows the percent of female babies in Illinois that were named Reilly.
Trend of the Number of Female Babies who were Named Reilly in Illinois
Trend of the Percentage of Female Babies who were Named Reilly 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 Reilly from 1990 to 2021.
Trend of the Popularity of Reilly as a Female Baby Name in Illinois
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| Year | Number of Female Babies | Percent of Total Female Babies (%) |
|---|---|---|
| 1990 | 5 | 0.01 |
| 1995 | 10 | 0.01 |
| 1996 | 18 | 0.03 |
| 1997 | 27 | 0.04 |
| 1998 | 26 | 0.04 |
| 1999 | 13 | 0.02 |
| 2000 | 14 | 0.02 |
| 2001 | 16 | 0.02 |
| 2002 | 21 | 0.03 |
| 2003 | 15 | 0.02 |
| 2004 | 10 | 0.02 |
| 2005 | 14 | 0.02 |
| 2006 | 11 | 0.02 |
| 2007 | 8 | 0.01 |
| 2008 | 9 | 0.01 |
| 2009 | 6 | 0.01 |
| 2010 | 7 | 0.01 |
| 2011 | 6 | 0.01 |
| 2012 | 5 | 0.01 |
| 2013 | 9 | 0.02 |
| 2014 | 5 | 0.01 |
| 2015 | 7 | 0.01 |
| 2016 | 9 | 0.02 |
| 2021 | 8 | 0.02 |