Mclachlan Family History
Mclachlan Name Meaning
Scottish: Anglicized form of Gaelic Mac Lachlainn ‘son of Lachlann’ from the personal name Lachlann earlier Lochlann which means ‘stranger Norseman’ from a term denoting Scandinavia (possibly ‘land of lakes/fjords’). See also Laughlin and compare Irish McLaughlin .
Source: Dictionary of American Family Names 2nd edition, 2022