Rising since 1986, #606 for boys today.
Popularity of Lachlan since 1952
Babies named Lachlan per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1950s | 16 |
| 1960s | 5 |
| 1970s | 5 |
| 1980s | 31 |
| 1990s | 185 |
| 2000s | 920 |
| 2010s | 2,697 |
| 2020s | 2,249 |
Meaning & origin
Lachlan is a Scottish name with deep roots in Gaelic geography, originally denoting someone from the land of lochs (Norway). In the United States, it has seen a steady rise since 1986, and in 2025 it reached rank 606 with a 1-in-3,650 birth rate, its peak year so far. The name is most popular in states like Maine, Minnesota, and Idaho, reflecting its appeal in regions with strong Scottish heritage or a love for nature-inspired names. Its trajectory shows a slow but consistent climb, marking it as a distinctive yet accessible choice for modern parents.
Lachlan is derived from the Scottish Gaelic 'Lachlann', itself from 'loch' (lake) and 'lann' (land), thus 'land of the lakes' or 'from the fjord-land'. Originally a territorial name for someone from Norway, known to the Gaels as 'Lochlann', it later became a personal name in Scotland. It has been used since the Middle Ages, particularly among Scottish clans such as the MacLachlans.
Where Lachlan is most popular
Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.
“Lachlan” around the world
Where Lachlan lands in the latest official birth statistics abroad, matched to the U.S. spelling.
Ireland
13
babies in 2025
New Zealand
#17
in 2025
Australia (NSW)
#34
in 2025
Sources: CSO Ireland (Ireland) · NZ Dept of Internal Affairs (New Zealand) · NSW Registry of BDM (Australia (NSW)).
Nicknames & variants
Nicknames: Lachie, Loch, Lanny
Sibling names for Lachlan
Names that share Lachlan's style, for a brother or sister.
Sisters: Isla, Fiona, Mairi, Eilidh, Orla, Iona, Kirstie, Skye, Kennie, Shona, Ailsa, Ainslie, Catriona, Davena, Donalda, Donelda, Elspeth, Jenetta, Lassie, Treena, Adaira, Bellany, Grissel, Islay, Malvina, Rawlings, Airlie, Alonnah, Lache, Mirren, Seona, Tamlyn
Brothers: Callum, Ewan, Finn, Hamish, Angus, Calder, Duncan, Frazier, Huxley, Malcolm, Malcom, Adair, Alastair, Allister, Calum, Elgin, Finlay, Tavis, Thane, Barclay, Declyn, Duff, Fergus, Fraser, Gilmore, Guthrie, Irvine, Jock, Kallum, Keir, Kincaid, Macallan, Maclain, Taggart, Aleister, Alister, Arran, Bain, Breccan, Broderic, Caellum, Cailan, Euan, Ewen, Findlay, Forbes, Leith, Lorn, Macallister, Macaulay, Macgregor, Mackay, Maclan, Maclane, Mccrae, Mcdonald, Mclean, Mickle, Pate, Ramsay, Tavish, Alistar, Cregg, Macrae, Alaster, Athol, Carrick, Carron, Cullan, Deveron, Ewin, Lyall, Mackinnon, Macklan, Maclean, Matheson, Maxey, Mccauley, Mcgregor, Mckinnon, Ranald, Renton, Stclair, Taggert
