75%RatingSave Gender Masculine Usage Irish Meaning & HistoryExpand Links Variant of Lochlainn. Related NamesFamily Tree·Details Other Languages & CulturesLachlan, Lockie(English) Lochlainn(Old Irish) Lachlan, Lauchlan, Lachie(Scottish) Lachlann(Scottish Gaelic) Categories earth, nationalities, nature, variants, water