Popularity in Northern Ireland
Numbers
| Niall (masculine) | |||
| Year | Rank | Percent Used | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | #90 | 0.283 | |
| 2018 | #83 | 0.301 | |
| 2017 | - | - | |
| 2016 | #93 | 0.266 | |
| 2015 | #95 | 0.256 | |
| 2014 | #65 | 0.367 | |
| 2013 | #76 | 0.331 | |
| 2012 | #74 | 0.354 | |
| 2011 | #84 | 0.312 | |
| 2010 | #95 | 0.271 | |
| 2009 | #84 | 0.305 | |
| 2008 | #62 | 0.439 | |
| 2007 | #60 | 0.439 | |
| 2006 | #63 | 0.433 | |
| 2005 | #42 | 0.591 | |
| 2004 | #44 | 0.549 | |
| 2003 | #33 | 0.729 | |
| 2002 | #37 | 0.727 | |
| 2001 | #38 | 0.744 | |
| 2000 | #41 | 0.710 | |
| 1999 | #27 | 0.921 | |
| 1998 | #26 | 0.987 | |
| 1997 | #32 | 0.828 | |
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