Is Lachlan a boy or girl name?
Lachlan is a boy name in the US. In 2024, 12 girls and 389 boys were named Lachlan, so 3% were girls. Across 1880–2024, 4.7% of the 5,921 US babies named Lachlan were girls.
- Boy rank, 2024
- #691
- Girl rank, 2024
- #8,692
- Babies named Lachlan since 1952
- 5,921
- Most popular year
- 2024
- 401 babies
Boys and girls named Lachlan, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1950s | 16 | 0 | 0% |
| 1960s | 5 | 0 | 0% |
| 1970s | 5 | 0 | 0% |
| 1980s | 31 | 0 | 0% |
| 1990s | 185 | 5 | 2.6% |
| 2000s | 920 | 46 | 4.8% |
| 2010s | 2,697 | 143 | 5% |
| 2020s | 1,781 | 87 | 4.7% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 389 | #691 | 12 | #8,692 |
| 2023 | 333 | #771 | 16 | #7,100 |
| 2022 | 345 | #746 | 18 | #6,592 |
| 2021 | 356 | #726 | 18 | #6,549 |
| 2020 | 358 | #705 | 23 | #5,408 |
| 2019 | 369 | #690 | 17 | #6,895 |
| 2018 | 355 | #687 | 19 | #6,399 |
| 2017 | 353 | #699 | 20 | #6,182 |
| 2016 | 354 | #701 | 16 | #7,448 |
| 2015 | 311 | #767 | 17 | #7,132 |
| 2014 | 236 | #911 | 15 | #7,891 |
| 2013 | 205 | #976 | 11 | #9,956 |
| 2012 | 188 | #1,033 | 15 | #8,046 |
| 2011 | 178 | #1,061 | 8 | #12,827 |
| 2010 | 148 | #1,207 | 5 | #18,586 |
| 2009 | 152 | #1,188 | 12 | #9,730 |
| 2008 | 145 | #1,218 | 5 | #19,180 |
| 2007 | 124 | #1,357 | 6 | #16,643 |
| 2006 | 126 | #1,312 | 6 | #16,226 |
| 2005 | 107 | #1,396 | 9 | #11,413 |
| 2004 | 60 | #2,012 | 0 | – |
| 2003 | 65 | #1,831 | 0 | – |
| 2002 | 56 | #1,991 | 8 | #11,700 |
| 2001 | 46 | #2,231 | 0 | – |
| 2000 | 39 | #2,458 | 0 | – |
| 1999 | 39 | #2,318 | 0 | – |
| 1998 | 49 | #1,976 | 0 | – |
| 1997 | 30 | #2,654 | 0 | – |
| 1996 | 12 | #5,062 | 5 | #14,738 |
| 1995 | 17 | #3,780 | 0 | – |
| 1994 | 14 | #4,429 | 0 | – |
| 1993 | 13 | #4,598 | 0 | – |
| 1992 | 5 | #9,227 | 0 | – |
| 1991 | 6 | #7,829 | 0 | – |
| 1990 | 0 | – | 0 | – |
| 1989 | 11 | #4,686 | 0 | – |
| 1988 | 8 | #5,493 | 0 | – |
| 1987 | 0 | – | 0 | – |
| 1986 | 0 | – | 0 | – |
| 1985 | 0 | – | 0 | – |
| 1984 | 0 | – | 0 | – |
| 1983 | 5 | #6,842 | 0 | – |
| 1982 | 7 | #5,349 | 0 | – |
| 1981 | 0 | – | 0 | – |
| 1980 | 0 | – | 0 | – |
| 1979 | 0 | – | 0 | – |
| 1978 | 0 | – | 0 | – |
| 1977 | 0 | – | 0 | – |
| 1976 | 0 | – | 0 | – |
| 1975 | 0 | – | 0 | – |
| 1974 | 0 | – | 0 | – |
| 1973 | 0 | – | 0 | – |
| 1972 | 0 | – | 0 | – |
| 1971 | 0 | – | 0 | – |
| 1970 | 5 | #5,121 | 0 | – |
| 1969 | 0 | – | 0 | – |
| 1968 | 0 | – | 0 | – |
| 1967 | 0 | – | 0 | – |
| 1966 | 0 | – | 0 | – |
| 1965 | 0 | – | 0 | – |
| 1964 | 5 | #4,354 | 0 | – |
| 1963 | 0 | – | 0 | – |
| 1962 | 0 | – | 0 | – |
| 1961 | 0 | – | 0 | – |
| 1960 | 0 | – | 0 | – |
| 1959 | 6 | #3,816 | 0 | – |
| 1958 | 0 | – | 0 | – |
| 1957 | 0 | – | 0 | – |
| 1956 | 5 | #4,221 | 0 | – |
| 1955 | 0 | – | 0 | – |
| 1954 | 0 | – | 0 | – |
| 1953 | 0 | – | 0 | – |
| 1952 | 5 | #4,027 | 0 | – |
Highest rank
As a boy name, Lachlan reached #687 in 2018. As a girl name, it reached #5,408 in 2020. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 2020s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Lachlan
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.