Lachlyn is a very rare variant of Lachlan that peaked in 2015 and has grown less common since.
Lachlyn is a girl name. In 2025 it ranked #12,600 for girl births in the United States (and #21,123 across all names), given to 7 babies. Lachlyn first appears in 2011 and peaked in 2015 (20 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 7 | 7 | #12,600 |
| 2024 | 6 | 6 | #14,456 |
| 2023 | 7 | 7 | #12,861 |
| 2022 | 8 | 8 | #11,772 |
| 2020 | 6 | 6 | #14,361 |
| 2019 | 8 | 8 | #11,941 |
| 2018 | 10 | 10 | #10,224 |
| 2017 | 13 | 13 | #8,567 |
| 2016 | 14 | 14 | #8,223 |
| 2015 | 20 | 20 | #6,359 |
| 2014 | 7 | 7 | #13,904 |
| 2013 | 5 | 5 | #18,079 |
| 2012 | 9 | 9 | #11,811 |
| 2011 | 5 | 5 | #18,320 |