Meaning not yet researched.
Lachlan: US boys given the name each year, 1880 to 2025, from Social Security card applications. 468 in 2025. Its best rank was #606 in 2025.
US births per year · SSA card applications
Its highest rank in 146 years of records is this year’s. About 98% of babies named Lachlan in 2025 were boys.
Baby name · US data 1880–2025
#606 for US boys in 2025, its highest rank in 146 years of records.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Lachlan: US boys given the name each year from 1880 to 2025. 468 boys in 2025. Peak: #606 in 2025 · most boys in one year: 468 (2025).
In 2025, 468 US boys were named Lachlan, making it the 606th most common boys’ name of the year, up 89 places from #695 in 2024. That is 79 more than the 389 boys named Lachlan in 2024. Its best rank for boys was #606, reached in this year, 2025. That year also had the most boys given the name: 468. For comparison, it was #767 in 2015 and unranked in 1950.
Social Security card records list Lachlan in 44 years of the 146 from 1880 to 2025, starting in 1952 with 5 babies. In all, 6,398 US babies have been given the name, 4.5% of them girls and 95% boys. Its busiest decade was the 2010s, with 2,840 babies named Lachlan.
Over the 10 years from 2016 to 2025, 3,680 US boys were named Lachlan; the busiest of those years was 2025, with 468. In 2025 that was about 1 in 3,650 of the boys in SSA’s list for the year.
Among the states, Lachlan ranked highest in Maine in 2025, at #254 for boys there. It was not in the top 100 of any state. Rarer spellings such as Lachlyn, Lachlann and Lachlynn are summarised on this page.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
No related spellings pass our data threshold.
Rare spellings summarised here: Lachlyn (125), Lachlann (60), Lachlynn (7), Lauchlin (5), Lauchlan (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Lachlan in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 20 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Maine | 5 | #254 | — |
| Minnesota | 20 | #308 | #414 |
| Colorado | 18 | #355 | #354 |
| Washington | 20 | #374 | #421 |
| Wisconsin | 14 | #384 | — |
| Massachusetts | 13 | #398 | #782 |
| Utah | 12 | #398 | #588 |
| Idaho | 6 | #408 | #331 |
| Pennsylvania | 26 | #409 | #575 |
| Connecticut | 7 | #422 | — |
| Missouri | 14 | #448 | #907 |
| Oregon | 8 | #460 | #525 |
| Kansas | 7 | #498 | #632 |
| Indiana | 13 | #527 | #699 |
| North Carolina | 18 | #554 | #430 |
| Michigan | 15 | #554 | #654 |
| Ohio | 18 | #569 | #716 |
| South Carolina | 8 | #584 | #722 |
| Kentucky | 7 | #599 | — |
| Alabama | 8 | #605 | — |
| Tennessee | 12 | #622 | #611 |
| Maryland | 7 | #668 | — |
| New York | 22 | #675 | #1,559 |
| California | 41 | #675 | #904 |
| New Jersey | 10 | #678 | #924 |
| Illinois | 13 | #694 | #1,457 |
| Arizona | 7 | #818 | — |
| Virginia | 8 | #844 | #766 |
| Texas | 30 | #868 | #1,093 |
| Florida | 17 | #869 | #1,340 |
| Georgia | 6 | #1,307 | #1,061 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 9 | #10,536 | 468 | #606 |
| 2024 | 12 | #8,721 | 389 | #695 |
| 2023 | 16 | #7,108 | 333 | #771 |
| 2022 | 18 | #6,596 | 345 | #746 |
| 2021 | 18 | #6,551 | 356 | #726 |
| 2020 | 23 | #5,408 | 358 | #705 |
| 2019 | 17 | #6,899 | 369 | #690 |
| 2018 | 19 | #6,401 | 355 | #687 |
| 2017 | 20 | #6,184 | 353 | #699 |
| 2016 | 16 | #7,449 | 354 | #701 |
| 2015 | 17 | #7,133 | 311 | #767 |
| 2014 | 15 | #7,891 | 236 | #911 |
| 2013 | 11 | #9,957 | 205 | #976 |
| 2012 | 15 | #8,048 | 188 | #1,033 |
| 2011 | 8 | #12,828 | 178 | #1,062 |
| 2010 | 5 | #18,588 | 148 | #1,207 |
| 2009 | 12 | #9,731 | 152 | #1,188 |
| 2008 | 5 | #19,184 | 145 | #1,218 |
| 2007 | 6 | #16,643 | 124 | #1,357 |
| 2006 | 6 | #16,226 | 126 | #1,312 |
| 2005 | 9 | #11,413 | 107 | #1,396 |
| 2004 | — | — | 60 | #2,012 |
| 2003 | — | — | 65 | #1,831 |
| 2002 | 8 | #11,700 | 56 | #1,991 |
| 2001 | — | — | 46 | #2,231 |
| 2000 | — | — | 39 | #2,458 |
| 1999 | — | — | 39 | #2,318 |
| 1998 | — | — | 49 | #1,976 |
| 1997 | — | — | 30 | #2,654 |
| 1996 | 5 | #14,738 | 12 | #5,062 |
| 1995 | — | — | 17 | #3,780 |
| 1994 | — | — | 14 | #4,429 |
| 1993 | — | — | 13 | #4,598 |
| 1992 | — | — | 5 | #9,227 |
| 1991 | — | — | 6 | #7,828 |
| 1989 | — | — | 11 | #4,687 |
| 1988 | — | — | 8 | #5,493 |
| 1983 | — | — | 5 | #6,842 |
| 1982 | — | — | 7 | #5,349 |
| 1970 | — | — | 5 | #5,122 |
| 1964 | — | — | 5 | #4,355 |
| 1959 | — | — | 6 | #3,816 |
| 1956 | — | — | 5 | #4,222 |
| 1952 | — | — | 5 | #4,027 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).