Popularity (masculine) in Northern Ireland
Numbers
| William (masculine) | |||
| Year | Rank | Percent Used | |
| 2022 | #67 | 0.365 | |
| 2021 | #61 | 0.412 | |
| 2020 | #68 | 0.397 | |
| 2019 | #53 | 0.471 | |
| 2018 | #60 | 0.428 | |
| 2017 | #50 | 0.484 | |
| 2016 | #40 | 0.563 | |
| 2015 | #49 | 0.476 | |
| 2014 | #47 | 0.513 | |
| 2013 | #36 | 0.631 | |
| 2012 | #42 | 0.554 | |
| 2011 | #34 | 0.612 | |
| 2010 | #36 | 0.608 | |
| 2009 | #40 | 0.573 | |
| 2008 | #30 | 0.717 | |
| 2007 | #32 | 0.695 | |
| 2006 | #33 | 0.749 | |
| 2005 | #32 | 0.731 | |
| 2004 | #35 | 0.689 | |
| 2003 | #38 | 0.646 | |
| 2002 | #30 | 0.822 | |
| 2001 | #26 | 0.935 | |
| 2000 | #27 | 0.926 | |
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