Popularity in Italy
Numbers
| Guglielmo (masculine) | |||
| Year | Rank | Percent Used | |
| 2023 | #180 | 0.052 | |
| 2022 | - | - | |
| 2021 | #195 | 0.045 | |
| 2020 | #194 | 0.044 | |
| 2019 | #171 | 0.053 | |
| 2018 | #199 | 0.043 | |
| 2017 | #173 | 0.051 | |
| 2016 | #196 | 0.043 | |
| 2015 | #188 | 0.042 | |
| 2014 | #195 | 0.041 | |
| 2013 | #170 | 0.048 | |
| 2012 | #178 | 0.044 | |
| 2011 | #181 | 0.040 | |
| 2010 | #186 | 0.041 | |
| 2009 | #160 | 0.047 | |
| 2008 | #164 | 0.046 | |
| 2007 | #144 | 0.054 | |
| 2006 | #157 | 0.048 | |
| 2005 | #162 | 0.045 | |
| 2004 | #153 | 0.046 | |
| 2003 | #152 | 0.045 | |
| 2002 | #150 | 0.048 | |
| 2001 | #132 | 0.061 | |
| 2000 | #125 | 0.071 | |
| 1999 | #135 | 0.066 | |
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