Popularity in England and Wales
Numbers
| Ciaran (masculine) | |||
| Year | Rank | Percent Used | |
| 2022 | #925 | 0.011 | |
| 2021 | #871 | 0.011 | |
| 2020 | #766 | 0.013 | |
| 2019 | #753 | 0.013 | |
| 2018 | #646 | 0.016 | |
| 2017 | #650 | 0.016 | |
| 2016 | #672 | 0.015 | |
| 2015 | #626 | 0.016 | |
| 2014 | #562 | 0.018 | |
| 2013 | #489 | 0.022 | |
| 2012 | #382 | 0.029 | |
| 2011 | #289 | 0.042 | |
| 2010 | #280 | 0.044 | |
| 2009 | #238 | 0.051 | |
| 2008 | #228 | 0.056 | |
| 2007 | #211 | 0.061 | |
| 2006 | #190 | 0.068 | |
| 2005 | #140 | 0.110 | |
| 2004 | #107 | 0.157 | |
| 2003 | #112 | 0.145 | |
| 2002 | #140 | 0.098 | |
| 2001 | #150 | 0.086 | |
| 2000 | #131 | 0.096 | |
| 1999 | #131 | 0.091 | |
| 1998 | #129 | 0.094 | |
| 1997 | #122 | 0.103 | |
| 1996 | #136 | 0.083 | |
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