Lachlann is a very rare variant of Lachlan that has climbed to its highest level yet, peaking in 2023.
Lachlann is a boy name. In 2025 it ranked #7,460 for boy births in the United States (and #15,646 across all names), given to 11 babies. Lachlann first appears in 2014 and peaked in 2023 (13 births).
Boys named Lachlann per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2014–2025 · U.S.+territories from SSA territory files (1998–2025)