Trend of the Popularity of Cillian as a Male Baby Name in the US
Updated on December 3, 2025.
Data Source: Social Security Administration (SSA).
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In 2024, there were 668 male babies that were named Cillian in the US, which was 0.04% of the total number of male babies born in the US in 2024. Between 1995 and 2024, the name Cillian peaked as a male baby name in the US in 2024.
The first chart below show the trend of the number of male babies in the US that were named Cillian, and the second chart shows the percent of male babies in the US that were named Cillian.
Trend of the Number of Male Babies who were Named Cillian in the US
Trend of the Percentage of Male Babies who were Named Cillian in the US
The table below below shows the trend of the number of male babies and the percentage of male babies born in the US who were named Cillian from 1995 to 2024.
Trend of the Popularity of Cillian as a Male Baby Name in the us
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| Year | Number of Male Babies | Percent of Total Male Babies (%) |
|---|---|---|
| 1995 | 5 | 0.00 |
| 1999 | 5 | 0.00 |
| 2001 | 6 | 0.00 |
| 2004 | 8 | 0.00 |
| 2005 | 10 | 0.00 |
| 2006 | 42 | 0.00 |
| 2007 | 39 | 0.00 |
| 2008 | 51 | 0.00 |
| 2009 | 52 | 0.00 |
| 2010 | 54 | 0.00 |
| 2011 | 66 | 0.00 |
| 2012 | 73 | 0.00 |
| 2013 | 77 | 0.00 |
| 2014 | 87 | 0.01 |
| 2015 | 121 | 0.01 |
| 2016 | 177 | 0.01 |
| 2017 | 170 | 0.01 |
| 2018 | 193 | 0.01 |
| 2019 | 186 | 0.01 |
| 2020 | 228 | 0.01 |
| 2021 | 340 | 0.02 |
| 2022 | 352 | 0.02 |
| 2023 | 476 | 0.03 |
| 2024 | 668 | 0.04 |