Popularity in England and Wales
Numbers
| Kacper (masculine) | |||
| Year | Rank | Percent Used | |
| 2023 | #550 | 0.023 | |
| 2022 | #407 | 0.033 | |
| 2021 | #381 | 0.037 | |
| 2020 | #324 | 0.045 | |
| 2019 | #296 | 0.050 | |
| 2018 | #274 | 0.054 | |
| 2017 | #243 | 0.064 | |
| 2016 | #215 | 0.074 | |
| 2015 | #196 | 0.083 | |
| 2014 | #173 | 0.094 | |
| 2013 | #168 | 0.093 | |
| 2012 | #172 | 0.091 | |
| 2011 | #174 | 0.087 | |
| 2010 | #171 | 0.087 | |
| 2009 | #168 | 0.088 | |
| 2008 | #158 | 0.094 | |
| 2007 | #203 | 0.065 | |
| 2006 | #276 | 0.039 | |
| 2005 | #605 | 0.013 | |
| 2004 | - | - | |
| 2003 | - | - | |
| 2002 | - | - | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | - | - | |
| 1998 | - | - | |
| 1997 | - | - | |
| 1996 | - | - | |
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