Popularity in England and Wales
Numbers
| Caitlin (feminine) | |||
| Year | Rank | Percent Used | |
| 2021 | #529 | 0.025 | |
| 2020 | #525 | 0.025 | |
| 2019 | #458 | 0.030 | |
| 2018 | #306 | 0.049 | |
| 2017 | #280 | 0.053 | |
| 2016 | #222 | 0.070 | |
| 2015 | #160 | 0.100 | |
| 2014 | #137 | 0.118 | |
| 2013 | #114 | 0.141 | |
| 2012 | #97 | 0.166 | |
| 2011 | #86 | 0.201 | |
| 2010 | #66 | 0.263 | |
| 2009 | #58 | 0.311 | |
| 2008 | #44 | 0.385 | |
| 2007 | #34 | 0.465 | |
| 2006 | #35 | 0.483 | |
| 2005 | #26 | 0.599 | |
| 2004 | #25 | 0.679 | |
| 2003 | #22 | 0.751 | |
| 2002 | #23 | 0.766 | |
| 2001 | #21 | 0.768 | |
| 2000 | #24 | 0.708 | |
| 1999 | #25 | 0.685 | |
| 1998 | #28 | 0.634 | |
| 1997 | #46 | 0.388 | |
| 1996 | #66 | 0.287 | |
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