Popularity in England and Wales
Numbers
| Thea (feminine) | |||
| Year | Rank | Percent Used | |
| 2022 | #64 | 0.260 | |
| 2021 | #53 | 0.301 | |
| 2020 | #57 | 0.287 | |
| 2019 | #46 | 0.338 | |
| 2018 | #59 | 0.288 | |
| 2017 | #53 | 0.314 | |
| 2016 | #49 | 0.334 | |
| 2015 | #58 | 0.300 | |
| 2014 | #79 | 0.200 | |
| 2013 | #121 | 0.136 | |
| 2012 | #225 | 0.062 | |
| 2011 | #235 | 0.060 | |
| 2010 | #256 | 0.056 | |
| 2009 | #260 | 0.053 | |
| 2008 | #241 | 0.060 | |
| 2007 | #235 | 0.065 | |
| 2006 | #239 | 0.060 | |
| 2005 | #249 | 0.057 | |
| 2004 | #256 | 0.055 | |
| 2003 | #287 | 0.046 | |
| 2002 | #291 | 0.043 | |
| 2001 | #292 | 0.044 | |
| 2000 | #282 | 0.046 | |
| 1999 | #346 | 0.031 | |
| 1998 | #336 | 0.033 | |
| 1997 | #433 | 0.022 | |
| 1996 | #470 | 0.019 | |
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