Popularity (masculine) in Ireland
Numbers
| Ciaran (masculine) | |||
| Year | Rank | Percent Used | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | - | - | |
| 2017 | #78 | 0.279 | |
| 2016 | #90 | 0.247 | |
| 2015 | #64 | 0.357 | |
| 2014 | #61 | 0.394 | |
| 2013 | #74 | 0.303 | |
| 2012 | #62 | 0.384 | |
| 2011 | #57 | 0.406 | |
| 2010 | #53 | 0.433 | |
| 2009 | #53 | 0.446 | |
| 2008 | #40 | 0.560 | |
| 2007 | #41 | 0.555 | |
| 2006 | #33 | 0.686 | |
| 2005 | #31 | 0.721 | |
| 2004 | #30 | 0.817 | |
| 2003 | #30 | 0.834 | |
| 2002 | #28 | 0.890 | |
| 2001 | #25 | 0.953 | |
| 2000 | #23 | 1.102 | |
| 1999 | #30 | 0.927 | |
| 1998 | #24 | 1.088 | |
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