first name
LACHLAN
of 53,615 first names recorded in the 2020 Census
Of the 4,177 people named Lachlan, 86.9% reported their origin as White, 7.1% as two or more races and 4.4% as Hispanic or Latino. 94.8% are male. These count how people described themselves on the 2020 Census, not where the name comes from.
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Lachlan peaked in 2025, when 477 babies got the name.
At least 6,398 babies have been given the name since 1952. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.
Lachlan by decade
Among all names given to American babies, its best decade was the 2020s, when it ranked #1,403. The largest share of babies named Lachlan, 72.6%, were born in 2013 or later.
Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.
Where Lachlan is most common
Compared with all babies born in each state since 1910, Lachlan has been most common in Washington (3.9×), Colorado (3.6×), and Utah (3.2×), and least common in Kentucky (0.54×).
4,597 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.
Exactly as common as Lachlan
2 other first names also have 4,177 people.
Either side of Lachlan
Compare
🔎 LACHLAN 🟦🟦🟦🟦🟦🟦🟦🟦⬜⬜ 1 in 72,308 Americans Rarer than 84.1% of us Peaked in 2025 with 477 babies Beat that 👇 https://howrareismy.name/first/lachlan/