Boy name
Lachlan
Lachlan is currently the #606 boy name in the United States, based on 2025 Social Security data. In raw numbers: 468 babies. Momentum is clearly positive: five years ago it ranked #705, now it sits at #606. Remarkably, 2025 is the strongest year in the entire SSA record for Lachlan, which stretches back to 1952. State by state, Maine leads the way at #234.
Rankings
2025 rank
#606
among boy names
Trend
Rising
last 5 years
All-time peak
#606
in 2025 (2020s)
Babies in 2025
468
boys named Lachlan
Lachlan popularity, 1880–2025
Where Lachlan is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Maine (#234), Minnesota (#304), Idaho (#377)
Uniqueness score
44/ 100Balanced
everywhereone of a kind
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Lachlan in the most recent year of SSA data.
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