Popularity in England and Wales
Numbers
| Isobelle (feminine) | |||
| Year | Rank | Percent Used | |
| 2021 | #918 | 0.012 | |
| 2020 | #771 | 0.016 | |
| 2019 | #823 | 0.014 | |
| 2018 | - | - | |
| 2017 | #683 | 0.018 | |
| 2016 | #585 | 0.021 | |
| 2015 | #549 | 0.023 | |
| 2014 | #406 | 0.031 | |
| 2013 | #386 | 0.033 | |
| 2012 | #332 | 0.041 | |
| 2011 | #323 | 0.042 | |
| 2010 | #303 | 0.044 | |
| 2009 | #265 | 0.053 | |
| 2008 | #279 | 0.049 | |
| 2007 | #322 | 0.041 | |
| 2006 | #333 | 0.040 | |
| 2005 | #332 | 0.038 | |
| 2004 | #299 | 0.044 | |
| 2003 | #310 | 0.042 | |
| 2002 | #375 | 0.031 | |
| 2001 | #414 | 0.026 | |
| 2000 | #415 | 0.026 | |
| 1999 | #469 | 0.020 | |
| 1998 | #530 | 0.016 | |
| 1997 | #489 | 0.018 | |
| 1996 | #562 | 0.014 | |
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