Meaning Derived from Celtic origins, it's meaning is 'land of the lakes', referring to people from Norway. Origin of Lachlan Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Charles, Phillip, Ramsay, Rhys, Scott, Thomas, Wolfe, Alan, Alexander, Cruz Pronunciation 🔊 Listen Lachlan LOCK-luhn Similar Names Barry Powell Lachie Tigernmaglus Terrion Revelin Tye Cody Tavarous Tyron Year by Year Popularity of Lachlan