MacLachlan is a surname. It is derived from the Gaelic MacLachlainn, which is in turn a patronymic form of the Gaelic personal name Lachlann.
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MacLachlan Wikipedia(Text) CC BY-SA
MacLachlan is a surname. It is derived from the Gaelic MacLachlainn, which is in turn a patronymic form of the Gaelic personal name Lachlann.