Home / Name Directory / Lachlan
How Many People Are Named Lachlan?
Estimated people named Lachlan living in the U.S. today
5,850
Gender distribution
95% male · 5% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 5,921
- Peak year: 2024 (401 births)
- Estimated living today: 5,850
Lachlan by age group — who carries the name today?
Lachlan popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Lachlan
Lachlan has been recorded by the Social Security Administration since the 19th century dataset began. In total, 5,921 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 5,850 bearers are still living — roughly 1 in 58,427 Americans. The name's strongest decade shapes how old most Lachlans you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Lachlan in the US?
An estimated 5,850 people named Lachlan are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Lachlan very rare — about 1 in 58,427 Americans.
Is Lachlan a boy or girl name?
In SSA records, Lachlan is 95% male and 5% female, so it is predominantly a male name.
When was Lachlan most popular?
Lachlan peaked in 2024, when 401 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Lachlan?
Lachlan ranks #3,312 of 104,819 first names recorded by the SSA, with a rarity score of 56 out of 100 (higher means rarer).