Popularity in England and Wales
Numbers
| Lachlan (masculine) | |||
| Year | Rank | Percent Used | |
| 2022 | #423 | 0.031 | |
| 2021 | #393 | 0.034 | |
| 2020 | #347 | 0.041 | |
| 2019 | #454 | 0.027 | |
| 2018 | #397 | 0.032 | |
| 2017 | #423 | 0.030 | |
| 2016 | #398 | 0.031 | |
| 2015 | #363 | 0.034 | |
| 2014 | #558 | 0.018 | |
| 2013 | #546 | 0.018 | |
| 2012 | #492 | 0.021 | |
| 2011 | #510 | 0.019 | |
| 2010 | #574 | 0.016 | |
| 2009 | #514 | 0.019 | |
| 2008 | #538 | 0.017 | |
| 2007 | #492 | 0.019 | |
| 2006 | #485 | 0.018 | |
| 2005 | #461 | 0.018 | |
| 2004 | #487 | 0.016 | |
| 2003 | #371 | 0.023 | |
| 2002 | #371 | 0.021 | |
| 2001 | #386 | 0.020 | |
| 2000 | #339 | 0.024 | |
| 1999 | #348 | 0.022 | |
| 1998 | #351 | 0.021 | |
| 1997 | #678 | 0.007 | |
| 1996 | - | - | |
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