Popularity in Northern Ireland
Numbers
| Isabella (feminine) | |||
| Year | Rank | Percent Used | |
| 2023 | #39 | 0.475 | |
| 2022 | #38 | 0.478 | |
| 2021 | #55 | 0.382 | |
| 2020 | #51 | 0.418 | |
| 2019 | #27 | 0.631 | |
| 2018 | #34 | 0.562 | |
| 2017 | #35 | 0.501 | |
| 2016 | #38 | 0.481 | |
| 2015 | #29 | 0.665 | |
| 2014 | #37 | 0.532 | |
| 2013 | #31 | 0.648 | |
| 2012 | #31 | 0.619 | |
| 2011 | #35 | 0.611 | |
| 2010 | #33 | 0.645 | |
| 2009 | #42 | 0.495 | |
| 2008 | #48 | 0.402 | |
| 2007 | #64 | 0.293 | |
| 2006 | #93 | 0.195 | |
| 2005 | #83 | 0.228 | |
| 2004 | - | - | |
| 2003 | - | - | |
| 2002 | - | - | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | - | - | |
| 1998 | - | - | |
| 1997 | - | - | |
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