Popularity in Northern Ireland
Numbers
| Isla (feminine) | |||
| Year | Rank | Percent Used | |
| 2023 | #1 | 1.485 | |
| 2022 | #5 | 1.152 | |
| 2021 | #5 | 1.286 | |
| 2020 | #3 | 1.434 | |
| 2019 | #4 | 1.364 | |
| 2018 | #7 | 1.204 | |
| 2017 | #4 | 1.369 | |
| 2016 | #12 | 1.064 | |
| 2015 | #15 | 1.032 | |
| 2014 | #14 | 1.038 | |
| 2013 | #27 | 0.782 | |
| 2012 | #31 | 0.619 | |
| 2011 | #48 | 0.442 | |
| 2010 | #57 | 0.347 | |
| 2009 | #65 | 0.306 | |
| 2008 | #95 | 0.209 | |
| 2007 | - | - | |
| 2006 | - | - | |
| 2005 | - | - | |
| 2004 | - | - | |
| 2003 | - | - | |
| 2002 | - | - | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | - | - | |
| 1998 | - | - | |
| 1997 | - | - | |
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